Gogo Inc. - Annual Report: 2015 (Form 10-K)

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

(Mark One):

For the fiscal year ended December 31, 2015

OR

For the transition period from                      to                     

Commission File Number: 001-35975

Gogo Inc.

(Exact name of registrant as specified in its charter)

111 North Canal St., Suite 1500

Chicago, IL 60606

(Address of principal executive offices)

Telephone Number (312) 517-5000

(Registrant’s telephone number, including area code)

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes  x    No  ¨

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.    Yes  ¨    No  x

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§ 229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  x

The aggregate market value of the voting and non-voting stock held by non-affiliates of the registrant as of June 30, 2015, the last business day of the registrant’s most recently completed second fiscal quarter, was $1,206,186,050 based upon the closing price reported for such date on the NASDAQ Global Select Market.

As of February 17, 2016, 85,913,206 shares of $0.0001 par value common stock were outstanding.

Documents Incorporated By Reference

Portions of the registrant’s definitive Proxy Statement for its Annual Meeting of Stockholders scheduled to be held June 16, 2016 are incorporated by reference into Part III of this Form 10-K. Such proxy statement will be filed with the Securities and Exchange Commission within 120 days of the registrant’s fiscal year ended December 31, 2015.

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Gogo Inc.

INDEX

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INTRODUCTORY NOTE

Unless the context otherwise indicates or requires, as used in this Annual Report on Form 10-K for the fiscal year ended December 31, 2015 references to: (i) “we,” “us,” “our,” “Gogo,” or the “Company” refer to Gogo Inc. and its directly and indirectly owned subsidiaries as a combined entity, except where otherwise stated or where it is clear that the term means only Gogo Inc. exclusive of its subsidiaries; (ii)“CA,” “CA business” or “commercial aviation” refers to our commercial aviation North American, or CA-NA, segment and our commercial aviation rest of world, or CA-ROW, segment, taken as a whole and (iii) “fiscal,” when used in reference to any twelve-month period ended December 31, refers to our fiscal year ended December 31. Unless otherwise indicated, information contained in this Annual Report is as of December 31, 2015. We have made rounding adjustments to reach some of the figures included in this Annual Report and, unless otherwise indicated, percentages presented in this Annual Report are approximate.

Cautionary Note Regarding Forward-Looking Statements

Certain statements in this report may constitute “forward-looking” statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, without limitation, statements regarding our industry, business strategy, plans, goals and expectations concerning our market position, international expansion, future technologies, future operations, margins, profitability, future efficiencies, capital expenditures, liquidity and capital resources and other financial and operating information. When used in this discussion, the words “anticipate,” “assume,” “believe,” “budget,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “should,” “will,” “future” and the negative of these or similar terms and phrases are intended to identify forward-looking statements in this Annual Report on Form 10-K. Forward-looking statements are based on current expectations and assumptions that are subject to risks and uncertainties that may cause actual results to differ materially. We describe risks and uncertainties that could cause actual results and events to differ materially under “Risk Factors,” “Quantitative and Qualitative Disclosures about Market Risk,” and “Management’s Discussion and Analysis” in this report. We undertake no obligation to update or revise publicly any forward-looking statements, whether because of new information, future events, or otherwise.

Who We Are

Gogo’s mission is to advance aviation by connecting every aircraft with the most trusted communications services on and above our planet. We believe that aircraft connectivity is transforming the global aviation industry and that we are well-positioned to lead this transformation.

Gogo is the leading provider of in-flight connectivity and wireless entertainment solutions for the global aviation industry. We believe we deliver the most reliable communications services for global aviation, enabling our customers to operate with confidence and efficiency in connected aircraft. Our commercial aviation business, which operates through our CA-NA and CA-ROW segments, provides connectivity-based solutions that enable our airline partners to differentiate their service offerings, increase passenger satisfaction, unlock new revenue streams and achieve operational efficiencies. Our Gogo Business Aviation segment (“BA”) offers a broad suite of in-flight Internet connectivity and other voice and data communications products and services to the business aviation market.

Our full fleet solutions enable our airline partners and business aircraft owners and operators to benefit from connected aircraft by delivering in-flight connectivity-based services to passengers and connecting the aircraft and its crew with ground-based operations. We currently provide services on approximately 9,600 aircraft, which represents more than 20% of the world’s total commercial and business jet aircraft. Our scale position supports global operational execution, as well as a research and development program that enables us to pioneer groundbreaking technologies for the global aviation industry.

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What We Offer

We believe we offer the global aviation industry an innovative and open connectivity platform that enables our customers to lower their operating costs and improve customer experiences.

Global Satellite Solutions for CA

Global Satellite Solutions for BA

North American Solutions for CA-NA and BA

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Although we have experienced robust growth to date conducting retrofit installations, our long term goal is to have factory installation (“line-fit”) available as an option for our major technology solutions. We are currently working with both mainline commercial aircraft original equipment manufacturers (“OEMs”) to qualify our wireless in-cabin network, our in-flight entertainment system (“Gogo Vision”) and our 2Ku solution for installation during aircraft manufacture.

Our BA business offers a number of hardware solutions, including the Universal Cabin System (“UCS”) 5000, business aviation’s first all-in-one smart router and media server, which is a single system that manages and delivers connectivity, entertainment and information services, while managing multiple networks. UCS 5000 works with Gogo Biz and supports Gogo Text & Talk, which allows passengers to use their own smartphones to send and receive text messages, as well as make and receive phone calls (where permitted) while in flight. BA also offers Gogo OnePhone, a product that provides superior voice quality and noise reduction, is easy to use and is designed to complement business aircraft interiors.

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Our Business Segments and their Customers

Our business is conducted through three segments: CA-NA, CA-ROW and BA.

As of December 31, 2015, CA-NA had 2,387 aircraft online, 948 of which were equipped with ATG-4 and 1,439 with ATG, and Gogo Vision was in operation on approximately 1,800 of such aircraft. This segment generated revenue of $310.7 million, $250.8 million and $199.1 million for the years ended December 31, 2015, 2014 and 2013, respectively. CA-NA segment profit was $41.9 million and $26.0 million for the years ended December 31, 2015 and 2014 respectively, and segment loss was $1.3 million for the year ended December 31, 2013.

As of December 31, 2015, our CA-ROW segment had approximately 200 aircraft online and in operation with Gogo Vision. This segment generated revenue of $11.6 million, $2.1 million and $1.6 million for the years ended December 31, 2015, 2014 and 2013, respectively. CA-ROW segment loss was $76.4 million, $78.1 million and $41.0 million for the years ended December 31, 2015, 2014 and 2013, respectively. These results reflect that our CA-ROW business is still in the start-up phase, as we launched commercial international service in March 2014.

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Growth Strategy

Our mission is to advance aviation by connecting every aircraft, using the following strategies:

Increase Number of Gogo-connected Aircraft

Further, we offer attractive business models to our airline partners, giving them the flexibility to determine the connectivity solution that meets the unique demands of their business. These solutions include a turnkey solution, an airline-directed model and various hybrid options. In our turnkey solution, we provide the airline with the full range of our services and we manage the bandwidth to the aircraft, with the goal of maximizing joint profitability and collecting passenger fees. Under the airline-directed model, the airline has the ability to determine which of our many end-to-end solutions it wants us to provide and which services it wants to provide itself. Under this model, the airline collects the passenger fees and we charge the airline based on the amount of bandwidth used and other services provided by Gogo.

Increase Revenue per Aircraft

We believe the needs of connected aircraft will continue to drive average revenue per aircraft (“ARPA”) and that passenger connectivity is currently the most important component in this calculation. Over time, we expect ARPA will also be driven by the use of operational applications as they become a more important factor in total revenue. We believe additional capacity is critical to growing ARPA.

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Our strategies for increasing passenger revenue include the following:

Through BA, we expect to continue to offer flexible pricing for our broadband and voice services, allowing aircraft operators and owners various options based on data usage, flight frequency and number of aircraft serviced. For example, we provide our Gogo Biz service to business aircraft operators and owners on fixed usage or unlimited monthly service plans, and in 2015 we introduced new airtime programs, which include multi-network data bundling plans, multi-aircraft discount plans, unlimited data plans and the Gogo Biz 100 data plan, an additional option for lighter bandwidth users.

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Innovate and Evolve Our Technology and Operations

We will continue to innovate and evolve our technology platform to support global capacity demands, facilitate the roll-out of new service offerings and improve the performance and reliability of our existing offerings. To this end, we will continue to:

We will continue to expand our global satellite network coverage through the purchase of additional Ku-band and SBB capacity, and install more aircraft with our satellite solutions, while continuing to invest in research and development of satellite antenna and modem technologies. We will also continue to work with satellite service providers to influence the design and performance parameters of next generation satellites to provide near global coverage and increased satellite redundancy. We also continue to invest in research and development for next generation, spectrally efficient ATG solutions.

Contracts with Airline Partners

In our CA business we enter into connectivity agreements with our airline partners that allow our ATG, satellite equipment and/or entertainment services to be installed, and the Gogo service provided, on their aircraft. Under these agreements, the airlines commit to have our equipment installed on some or all of the aircraft they operate, and we commit to provide Passenger Connectivity and/or entertainment services on such aircraft and to remit to the airlines a specified percentage of the service revenue that we generate. Under certain of our connectivity agreements, our airline partners will also become obligated to pay us monthly service fees for satellite-based connectivity service once the service becomes available on their aircraft. We have the exclusive

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right to provide Internet connectivity services on Gogo-installed aircraft throughout the term of the agreement in contracts with airline partners from which we derive a substantial majority of our CA revenue. The majority of our contracts with our airline partners have 10-year staggered terms, with expiration occurring on a fleet by fleet basis based on installation dates or on a contract basis, depending on the contract. Under our current contracts, the first expiration will occur in 2017 and the last in 2027.

Historically, our CA business has offered our airline partners a turnkey model, under which we provide the airline with the full range of our services, charge the passenger for Passenger Connectivity or Gogo Vision services and remit to the airline a specified percentage of passenger revenue. Under such model, for satellite-based connectivity services, the airline typically pays Gogo a monthly fee for network monitoring and management services. We have recently begun to offer and provide the airlines the additional option of an airline-directed model, whereby the airline partner has flexibility to determine which of the many end-to-end services it wants Gogo to provide and which services it wants to provide itself. For example, the airline may elect to assume responsibility for directly distributing in-flight connectivity and entertainment services to its passengers rather than using us as the distributor; in such case, we and the airline will determine a fee structure that compensates us for connectivity and the bandwidth consumed and any other services for which Gogo has responsibility.

Depending on the contract, installation and maintenance services may be performed by us and/or the airline. The agreements also vary as to who pays for installation and maintenance of the equipment. In addition, under contracts with airline partners from which we derive a substantial majority of our CA revenue, we are obligated, subject to certain limitations, to upgrade or improve the equipment installed on each such airline’s fleet, at our expense, if we provide connectivity services to another airline that constitute a material improvement with respect to the functionality and/or reliability of the connectivity service offered at that time to such airline partners. Under certain contracts, we may also incur additional obligations or our airlines may be entitled to greater portions of connectivity revenue based on the number of aircraft installed with our equipment and the timing of such installations. Our contracts with certain of our airline partners set forth specified timelines for the installation of certain equipment, and our failure to meet such timelines requires us to credit or pay our airline partners liquidated damages and/or cover a portion or all of the costs of installing alternative equipment on certain aircraft. See “Risk Factors—Risks Related to Our CA Business—A failure to maintain airline satisfaction with our connectivity equipment or the Gogo service could have a material adverse effect on our revenue and results of operations.” Our connectivity agreements with one of our airline partners, from which we derive a significant portion, but less than a majority, of our CA-NA segment revenue, entitles our airline partner to a higher connectivity revenue share if our service is available on a specified number of aircraft in our airline partner’s fleet.

The connectivity agreements require that Gogo and the airline engage in independent and joint marketing efforts intended to increase awareness and usage of our services. As of December 31, 2015, under agreements with five of our airline partners, the scope of the services that we provide has been expanded to include Gogo Vision and we are discussing with other airline partners the possibility of providing Gogo Vision on their installed fleets. We also provide under certain agreements content filtering and CAS, such as real-time credit card processing for passenger food and beverage purchases, flight crew access to real-time weather information, electronic flight bags and voice services in the cockpit.

Revenue from passengers using our service while flying on aircraft operated by Delta Air Lines accounted for approximately 28% of our consolidated revenue for the year ended December 31, 2015. We have three contracts with Delta. The contracts for ATG service on Delta Air Lines’ mainline and regional jet fleets expire on the 13-year anniversary of specified installation milestones. The mainline fleet expiration will occur in 2022 and the regional jet expiration will occur in 2025. Our contract with Delta Air Lines for Ku-band satellite service on its international fleet expires on March 1, 2027. Our contract with Delta Air Lines for 2Ku service expires on the earlier of the 10-year anniversary of a specified installation milestone that has not yet occured and February 2027. Revenue from passengers using the Gogo service while flying on aircraft operated by American Airlines

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(including legacy US Airways aircraft) accounted for approximately 22% of our consolidated revenue for the year ended December 31, 2015. While American Airlines and US Airways have combined into one entity, we still have separate contracts for each legacy airline. Our contract with American Airlines for its domestic aircraft has different expiration dates for different fleet types. Generally the contract with respect to each fleet type expires on the 10-year anniversary of the date on which 90% of such fleet type has been installed with our ATG equipment, with the first expiration date occurring in 2018 and the last in 2025. Our contract with American Airlines for ATG-4 and Ku-band satellite service on its Airbus A320 and Boeing 737 fleets contract expires on the 10-year anniversary of the date on which we first charge passengers on its Airbus A320 fleet in connection with their use of our connectivity services. Our contract with US Airways for ATG-4 on its domestic aircraft expires in 2022. No other contract accounted for more than 10% of our consolidated revenue for the year ended December 31, 2015. Each of our contracts with Delta Air Lines and American Airlines allows the airline to terminate the contract should the percentage of passengers using the Gogo service on the airline’s flights not meet certain thresholds. We currently experience, and for the last four years have experienced, connectivity take rates in excess of those thresholds. Our contracts with Delta Air Lines and American Airlines also permit these airlines to terminate their contracts prior to expiration upon the occurrence of other certain contractually stipulated events, including the circumstance in which another company provides an alternate connectivity service that is a material improvement over Passenger Connectivity, such that failing to adopt such service would likely cause competitive harm to the airline, and we are unable to match the competitive offer in terms of price, technology and schedule. See “Risk Factors—Risks Related to Our CA Business—We are dependent on agreements with our airline partners to be able to access the passengers. Payments by these passengers for our services have provided, and we expect will continue to provide, a significant portion of our revenue. Our failure to realize the anticipated benefits from these agreements on a timely basis or to renew any existing agreements upon expiration or termination could have a material adverse effect on our financial condition and results of operations,” “Risk Factors—Risks Related to Our CA Business—If we are unable to successfully implement planned or future technology enhancements to increase our network capacity, or our airline partners do not agree to such enhancements, our ability to maintain sufficient network capacity and our business could be materially and adversely affected” and “Risk Factors—Risks Related to Our CA Business—A failure to maintain airline satisfaction with our equipment or the Gogo service could have a material adverse effect on our revenue and results of operations.” If our contracts with Delta Air Lines or American Airlines were to be terminated for any reason, it would have a material adverse effect on our CA-NA segment.

Manufacturing, Installation and Maintenance

We have two manufacturing and assembly facilities and have fostered manufacturing, installation and maintenance relationships to provide quality service in our product offerings. Our CA and BA manufacturing activities take place at FAA-certified manufacturing and production facilities in Bensenville, Illinois and Broomfield, Colorado, respectively. The facilities are FAA-certificated repair stations and are operating in accordance with FAA-issued ratings and quality control systems, pursuant to FAA regulations. The repair stations’ authorized activities include receiving, inspecting, equipment and system testing, kitting, warehousing and completion of regulatory shipping documentation. We work with our airline partners and third-party vendors to install and maintain our equipment on aircraft. Some of our airline partners choose to use their own mechanics to provide installation and maintenance services, in which case we provide training and on-site installation support and logistics. Other airlines look to us for these services as all of our installation and maintenance vendors meet the certification requirements established by the airlines and the FAA.

Technology Infrastructure

Our proprietary ATG network and technology platform, consisting of both hardware and software in the aircraft and on the ground, have been designed and developed to create highly compelling user experiences and enable future domestic and international service and product growth, while managing the bandwidth and regulatory constraints associated with in-flight media and content delivery. We have developed sophisticated custom software and hardware that optimizes the air-to-ground link (direct air-to-ground and satellite-based) and traffic through the ability to monitor end-to-end network performance from the ground. Our network and systems

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architecture was designed to evolve with best of breed technologies and enable us to employ new technological innovations across our own ATG network and third-party satellite networks using Ku-band satellite service.

Our expenditures for research and development are charged to expense as incurred and totaled $50.1 million, $40.1 million and $32.7 million for the years ended December 31, 2015, 2014, and 2013, respectively.

Our ATG Network

Since winning the FCC auction for the broadband (3 MHz) portion of the ATG spectrum in 2006, we have held the exclusive spectrum license that allows us to be the sole provider of in-flight broadband services in the United States based on a direct aircraft to ground link using spectrum reserved for ATG services. In the second quarter of 2013, we consummated the acquisition of LiveTV Airfone, LLC (“Airfone”), through which we acquired the FCC license for 1 MHz of ATG spectrum (“1 MHz FCC License”) held by LiveTV, LLC (“LiveTV”). In 2012, Industry Canada issued to our Canadian subsidiary the exclusive rights to use Canadian ATG spectrum for which SkySurf is the primary licensee (the “License Agreement”). The License Agreement has an initial term of ten years and is renewable at our option for an additional 10-year term following the initial expiration and thereafter for a further five-year term.

We have coverage over the continental United States and Canada. As of December 31, 2015, our ATG network in the continental United States and Canada consisted of approximately 250 cell sites (approximately 1,465 sectors). We expect to add more cell sites in each of the next several years to maintain efficient delivery of our growing mobile broadband services.

These sites are connected to our data centers, which are in turn connected to the Internet. This connectivity is provided by a state-of-the-art Multi-protocol Label Switching (“MPLS”) network and a flexible and scalable IP-based infrastructure. The cell sites were originally connected to the MPLS network using last mile copper (T1) facilities and microwave link where last mile copper-based facilities were not available. In 2012, we began converting the backhaul network from the cell sites to our data center to a fiber optic-based network (from copper T1 network) and by the end of 2014, the majority of the cell sites were converted to fiber.

On May 9, 2013, the FCC issued a notice of proposed rulemaking to designate spectrum in the 14.0-14.5 GHz band (the “14 GHz spectrum”) for the purpose of providing broadband connectivity, or ATG service, to aircraft flying within the contiguous United States. As a result of this rulemaking process, the FCC has prepared a draft order to auction off spectrum for ATG use, which spectrum would have greater capacity than our current spectrum and could be licensed to multiple parties. It is unclear whether and when the FCC will issue an order designating the 14 GHz spectrum for ATG use. If an auction of such spectrum is held, we may elect to participate.

We are currently exploring various options with respect to developing and implementing a next generation air-to-ground technology in order to increase bandwidth speeds and provide additional capacity in the contiguous United States. Our development and implementation of a next generation air-to-ground technology will require that we obtain rights to sufficient 14 GHz spectrum or other spectrum.

Our Satellite Networks

We have near-global Ku-band satellite service using service provided by our satellite capacity providers. We obtained our first 2Ku STC in late 2015, and 2Ku is expected to be commercially available to passengers in the first half of 2016. 2Ku employs two low-profile, highly efficient satellite antennas (one for transmission to the aircraft and the other for transmission from the aircraft) that provide twice the spectral efficiency of our Ku-band service and significantly improves coverage in equatorial regions and results in less drag and fuel burn as compared to other satellite alternatives. Our 2Ku satellite antennas can be used in conjunction with all Ku-band satellites in operation today. Additionally, today’s 2Ku is designed to be ready for the future with the ability to operate with spot beams and certain other Ku-band high throughput satellites (“HTS”), which have started to launch in 2016, and is compatible with approximately 180 Ku satellites operated by a variety of satellite operators.

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Our Iridium service is supported by a network of 66 Iridium satellites in low-earth orbit. In addition, we launched SBB service in 2014, which is supported by three geostationary (Inmarsat I-4) satellites in orbit. Supported by three satellites, our high bandwidth JX offering is expected to become operational in 2016.

Our Airborne Network

Onboard the aircraft, users are connected to our service through the aircraft-based Wi-Fi network that is created by our installed airborne system. Our airborne network includes core module components (including an onboard server, or ACPU, wireless access points, or WAP, and optionally a content loading device, or CLD, and handsets for cockpit/crew use) and technology-specific communication components (including a modem, amplifier, antenna and radome). We leverage standard technology and components in our system where available and design our system by selecting, assembling and packaging components that can withstand temperature, pressure and vibration on aircraft in-flight. We are continuing to innovate and develop advanced technologies for storage, processing and connectivity for the in-cabin airborne network.

Our customized airborne network allows us to actively manage data traffic in order to mitigate capacity constraints through sophisticated bandwidth management, including by placing cached content directly on the airborne network, which increases the speed and quality of our service.

Our Ground Network (Data Centers and NOC)

Our primary data center, which services our ATG and satellite technologies, with redundant telecommunications connections to the Internet, also contains numerous servers associated with hosting our in-flight and ground portals and the network nodes that enable the rich set of features offered through the Gogo platform. Most of the data center nodes are common to various technologies, including ATG/ATG-4 and satellite links to an aircraft, while some nodes are technology specific.

The NOC, located in our Chicago, Illinois facility, serves as the central location that monitors daily network operation, conducts network diagnostics and coordinates responses to any performance issues on the ground or in the air. The NOC provides 24 hours a day, 365 days a year management and surveillance of network performance and activities through the use of network management and reporting systems that interface with all network elements and have the ability to track the progress and status of all our equipped aircraft in-flight, regardless of the technology used to provide in-flight connectivity.

Competition

Commercial Aviation

Our key competitors include ViaSat, Panasonic Avionics Corp., Global Eagle Acquisition Corp./Row 44, Inc., OnAir, Thales/LiveTV, Inmarsat, Zodiac Inflight Innovations and Rockwell Collins/ARINC, all of which provide different technologies and strategies to provide in-flight connectivity and/or entertainment. Regardless of the delivery mechanism(s) used by us or our competitors, the in-flight Internet connectivity industry as a whole faces, and is expected to continue to face capacity constraints, which are expected to increase due to increased demand for in-flight Internet. We believe we are the only telecommunications company focused exclusively on the global aviation industry and addressing the connectivity requirements unique to an aircraft by building a global telecommunications infrastructure. We believe the key differentiating factors between us and our competitors include: technology solutions, geographical coverage, operational excellence, and service models offered to airlines. Specifically, the strategic priorities of each of our competitors varies, including technologies available for various aircraft types, the ability to offer in-flight Internet solutions as well as entertainment offerings, such as live television and traditional hard-wired in-flight entertainment systems, the ability to cost-effectively provide offerings on a global basis, the ability to manage capacity constraints, and the ability to offer, incorporate and manage new in-flight connectivity technologies and solutions as they become available.

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Business Aviation

Gogo is the only equipment and service provider of all three networks: ATG, SBB and Iridium. We compete against both equipment and telecommunications service providers to the business aviation market, including International Communications Group and True North Avionics for Iridium hardware business, Rockwell Collins and Honeywell Aerospace for Inmarsat SBB hardware business, Satcom Direct for both Iridium and Inmarsat SwiftBroadband service, as well as for cabin router equipment, and ViaSat for Ku service. SmartSky Networks, Global Eagle Acquisition Corp. and Panasonic Avionics Corp. (with Astronics Aerosat Corporation) all recently announced their intention of entering the business aviation market.

Licenses and Regulation

Federal Aviation Administration

The FAA prescribes standards and certification requirements for the manufacturing of aircraft and aircraft components, and certifies and rates repair stations to perform aircraft maintenance, preventive maintenance and alterations, including the installation and maintenance of aircraft components. Each type of aircraft operated in the United States under an FAA-issued standard airworthiness certificate must possess an FAA Type Certificate, which constitutes approval of the design of the aircraft type based on applicable airworthiness standards. When a party other than the holder of the Type Certificate develops a major modification to an aircraft already type-certificated, that party must obtain an FAA-issued STC approving the design of the modified aircraft type. We regularly obtain an STC for each aircraft type operated by each airline partner on whose aircraft our equipment will be installed and separate STCs typically are required for different configurations of the same aircraft type, such as when they are configured differently for different airlines.

After obtaining an STC, a manufacturer desiring to manufacture components to be used in the modification covered by the STC must apply to the FAA for a Parts Manufacturing Authority, or PMA, which permits the holder to manufacture and sell components manufactured in conformity with the PMA and its approved design and data package. In general, each initial PMA is an approval of a manufacturing or modification facility’s production quality control system. PMA supplements are obtained to authorize the manufacture of a particular part in accordance with the requirements of the pertinent PMA, including its production quality control system. We routinely apply for and receive such PMAs and supplements.

Certain of our FCC licenses are conditioned upon our ability to obtain from the FAA a “No Hazard Determination” for our cell sites which indicates that a proposed structure will not, if built as specified, create a hazard to air navigation. When proposing to build or alter certain of our cell sites we may first be required to obtain such a determination.

Our business depends on our continuing access to, or use of, these FAA certifications, authorizations and other approvals, and our employment of, or access to, FAA-certified individual engineering and other professionals.

In accordance with these certifications, authorizations and other approvals, the FAA requires that we maintain, review and document our quality assurance processes. The FAA may also visit our facilities at any time as part of our agreement for certification as a manufacturing facility and repair station to ensure that our facilities, procedures, and quality control systems meet FAA approvals we hold. In addition, we are responsible for informing the FAA of significant changes to our organization and operations, product failures or defects, and any changes to our operational facilities or FAA-approved quality control systems. Other FAA requirements include training procedures and drug and alcohol screening for safety-sensitive employees working at our facilities.

Foreign Aviation Regulation

According to international aviation convention, the airworthiness of FAA-certified Gogo equipment installed on U.S.-registered aircraft is recognized by civil aviation authorities (“CAAs”) worldwide. As a result, Gogo does not expect to require further airworthiness certification formalities in countries outside of the United

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States for U.S.-registered aircraft that already have an STC issued by the FAA covering Gogo equipment. For aircraft registered with a CAA other than the United States, the installation of Gogo equipment requires airworthiness certification from an airworthiness certification body. Typically, the CAA of the country in which the aircraft is registered is responsible for ensuring the airworthiness of any aircraft modifications under its authority.

The FAA holds bilateral agreements with a number of certification authorities around the globe. Bilateral agreements facilitate the reciprocal airworthiness certification of civil aeronautical products that are imported/exported between two signatory countries. A Bilateral Airworthiness Agreement (“BAA”) or Bilateral Aviation Safety Agreement (“BASA”) with Implementation Procedures for Airworthiness (“IPA”) provides for airworthiness technical cooperation between the FAA and its counterpart civil aviation authorities. Under a BAA or BASA, the CAA of the aircraft’s country of registration generally validates STCs issued by the FAA and then issues a Validation Supplemental Type Certificate (“VSTC”). For countries with which the FAA does not have a BAA or BASA, Gogo must apply for certification approval with the CAA of the country in which the aircraft is registered. In order to obtain the necessary certification approval, Gogo will be required to comply with the airworthiness regulations of the country in which the aircraft is registered. Failure to address all foreign airworthiness and aviation regulatory requirements at the commencement of each airline partner’s service in any country in which they register aircraft when there are no applicable bilateral agreements may lead to significant additional costs related to certification and could impact the timing of our ability to provide our service on our airline partners’ fleet.

To date, we have received the foreign aviation regulatory approval required to install and operate Gogo Vision systems onboard aircraft of two non-U.S. airlines with aircraft fleets registered in two different countries. We will pursue such additional approvals as and when necessary.

Federal Communications Commission

Under the Communications Act of 1934, as amended (the “Communications Act”), the FCC licenses the spectrum that we use and regulates the construction, operation, acquisition and sale of our wireless operations. The Communications Act and FCC rules also require the FCC’s prior approval of the assignment or transfer of control of an FCC license, or the acquisition, directly or indirectly, of more than 25% of the equity or voting control of Gogo by non-U.S. individuals or entities.

Our various services are regulated differently by the FCC. Our BA business provides some of its voice and data services by reselling the telecommunications services of two satellite operators. Because we provide these services on a common carrier basis, we are subject to the provisions of Title II of the Communications Act, which require, among other things, that the charges and practices of common carriers be just, reasonable and non-discriminatory. In addition, our BA division has launched an interconnected voice over Internet protocol (“VoIP”) service. The FCC applies many, but not all, of the same regulatory requirements to interconnected VoIP service as it does to common carrier telecommunications services.

We provide broadband Internet access to commercial airlines and passengers as Passenger Connectivity and to our Business Aviation customers as Gogo Biz. We offer this service in the continental United States through our own facilities, using a nationwide commercial air-ground radiotelephone license that operates in the 800 MHz band (the “ATG license”). We obtained and paid for this spectrum through an auction conducted by the FCC. See “—ATG License Terms and Conditions.”

Previously, our mobile wireless broadband Internet access services, including Passenger Connectivity and Gogo Biz, were classified as information services, and not as telecommunications services. Therefore, these services were not subject to FCC common carrier regulation. However, effective June 12, 2015, the FCC has reclassified mobile (and fixed) broadband Internet access services as Title II telecommunications services in an order released March 12, 2015 (“Open Internet Order”). The Open Internet Order also adopted broad new net

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neutrality rules. For example, broadband providers may not block access to lawful content, applications, services or non-harmful devices. Broadband providers also may not impair or degrade lawful Internet traffic on the basis of content, applications, services or non-harmful devices. In addition, broadband providers may not favor some lawful Internet traffic over other lawful traffic in exchange for consideration of any kind, and they may not prioritize the content and services of their affiliates. Other than for paid prioritization, the rules contain an exception for “reasonable network management.” The Open Internet Order recognizes that whether a network management practice is reasonable varies according to the broadband technology involved, and provides more flexibility to implement network management practices in the context of Gogo’s capacity-constrained air-to-ground and satellite broadband networks.

The FCC order also imposes new disclosure requirements on broadband providers, including more granular network performance reporting requirements. These new requirements have not gone into effect and are subject to further Executive Branch review. Moreover, the FCC has temporarily exempted smaller providers, such as Gogo, from its enhanced disclosure requirements. The Consumer and Government Affairs Bureau released an order on December 15, 2015, extending the exemption until December 15, 2016. Until the disclosure requirements are finalized, we cannot assess what impact they will have on Gogo’s practices.

Our Internet access service has also been covered by the FCC’s data roaming rules, which require commercial mobile data service (“CMDS”) providers like Gogo to negotiate roaming arrangements with any requesting facilities-based, technologically compatible providers of CMDS. The rules do not give other providers the right to install equipment on Gogo-equipped aircraft, and do not require the Gogo service to be provided on a discounted basis, although the arrangement must be “commercially reasonable.” The rules allow us to take reasonable measures to safeguard the quality of our service against network congestion that may result from roaming traffic. The Open Internet Order did not alter Gogo’s obligations with respect to data roaming, but the FCC has committed to revisiting data roaming rules in the near term.

In addition, most of our services are subject to various rules that seek to ensure that the services are accessible by persons with disabilities, including requirements related to the pass-through of closed captioning for certain IP-delivered video content offered through our Gogo Vision service.

In addition to the ATG license, we hold other FCC licenses, including microwave licenses that are used for backhaul in our terrestrial network, two experimental licenses used for testing equipment, a non-exclusive license at 3650 MHz, which currently does not authorize operational use and would require registration with the FCC of transmitter site locations prior to commencing use, and the 1 MHz FCC License acquired in our acquisition of Airfone. We also hold a license for blanket authority to operate Ku-band satellite transceivers on up to 2,000 aircraft, which allows us to provide domestic and international broadband service (although some countries require additional authorizations of their own).

ATG License Terms and Conditions

The FCC issued our ATG license on October 31, 2006, for an initial 10-year term. We have satisfied our obligation under the license to provide “substantial service” to aircraft. Upon the expiration of the initial term of our license in October 2016, we may renew our license for additional ten-year terms at no additional cost. At the end of each term, to renew the license, we are required to file an application for renewal. If that application is challenged, the FCC will apply a preference, commonly referred to as a renewal expectancy, if we can demonstrate that we have both provided substantial service during the past license term and substantially complied with applicable FCC rules and policies and the Communications Act. In 2010, the FCC proposed to amend its license renewal rules to require more detailed renewal showings. That proposal remains pending.

Our 1 MHz FCC License obtained in 2013 from LiveTV was also originally issued on October 31, 2006, for a renewable ten year term, although there is no “substantial service” obligation that attaches to this license.

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Our ATG license and our 1 MHz FCC License both contain certain conditions that require us to comply with all applicable FCC and FAA rules as well as all bilateral agreements between the U.S. and Canada and the U.S. and Mexico regarding the frequencies that are allocated for ATG services. These agreements apply to our use of the spectrum in areas adjacent to the United States’ northern and southern borders and in and out of Canadian and Mexican airspace.

A bilateral ATG spectrum coordination agreement between the U.S. and Canada has been negotiated and approved and a similar agreement between the U.S. and Mexico is in the process of being negotiated. In 2012, Industry Canada issued to our Canadian subsidiary a subordinate license that allows us to use Canadian ATG spectrum of which SkySurf Communications Inc. is the primary licensee. In 2012, we entered into the License Agreement with SkySurf, which has an initial term of ten years commencing on August 14, 2012, and, provided that the primary spectrum license agreement issued by Industry Canada to SkySurf remains in effect at such dates, is renewable at our option for an additional 10-year term following the initial expiration and thereafter for a further five-year term. The renewal of the primary spectrum license will depend upon the satisfaction by Gogo and SkySurf of certain conditions set forth in the license, including, without limitation, a network build-out requirement. The term of the License Agreement, including the initial 10-year term and any renewals, is contingent on the effectiveness and renewal of the primary spectrum license, issued by Industry Canada to SkySurf on June 30, 2009, which expires on June 29, 2019.

Prior to spectrum coordination with the ATG licensee in Mexico, the coordination agreement could affect our ability to provide our broadband Internet service in the border areas using our current cell sites at current operating power levels, and could affect our ability to establish or maintain ATG service in the border areas as aircraft fly into and out of Mexican airspace. Once a provider of air-to-ground services is licensed in Mexico, we hope to negotiate an arrangement that will provide seamless connectivity on flights between Mexico and the U.S.

Equipment Certification

We may not lease, sell, market or distribute any radio transmission equipment used in the provision of CA or BA services unless such equipment is certified by the FCC as compliant with the FCC’s technical rules. All certifications required for equipment currently used in the provision of our services have been obtained.

Privacy and Data Security-Related Regulations

As noted above, the Open Internet Order reclassified mobile (and fixed) broadband Internet access services as Title II telecommunications services. Certain statutory provisions of Title II now apply to broadband Internet access services, including provisions that impose consumer privacy protections such as Customer Proprietary Network Information (“CPNI”) requirements. The FCC is expected to initiate a separate rulemaking proceeding to adopt new CPNI and other privacy rules to govern broadband Internet access services. Until the rulemaking proceeding is complete, we cannot assess what impact, if any, it may have on our current practices, including our privacy and data security practices.

The services offered through our BA segment are also subject to CPNI rules that require carriers to comply with a range of marketing and privacy safeguards. These obligations focus on carriers’ access, use, storage and disclosure of CPNI. We believe we are in compliance with these rules and obligations, and we certify annually, as required, that we have established operating procedures adequate to ensure our compliance.

We are also subject to other federal and state consumer privacy and data security requirements. For example, Section 5 of the Federal Trade Commission (“FTC”) Act prohibits “unfair or deceptive acts or practices in or affecting commerce.” Although the FTC’s authority to regulate the non-common carrier services offered by communications common carriers has not been clearly delineated, FTC officials have publicly stated that they view the FTC as having jurisdiction over Internet service providers’ non-common carrier services. Some of our services are subject to the FTC’s jurisdiction. The FTC has brought enforcement actions under the FTC Act

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against companies that, inter alia: (1) collect, use, share, or retain personal information in a way that is inconsistent with the representations, commitments, and promises that they make in their privacy policies and other public statements; (2) have privacy policies that do not adequately inform consumers about the company’s actual practices; and (3) fail to reasonably protect the security, privacy and confidentiality of nonpublic consumer information.

We collect personally identifiable information, such as name, address, e-mail address and credit card information, directly from our users when they register to use our service. We also may obtain information about our users from third parties. We use the information that we collect to, for example, consummate their purchase transaction, to customize and personalize advertising and content for our users and to enhance the entertainment options when using our service. Our collection and use of such information is intended to comply with our privacy policy, which is posted on our website, applicable law, our contractual obligations with third parties and industry standards, such as the Payment Card Industry Data Security Standard. We are also subject to state “mini-FTC Acts,” which also prohibit unfair or deceptive acts or practices, along with data security breach notification laws requiring entities holding certain personal data to provide notices in the event of a breach of the security of that data. Congress has also been considering similar federal legislation relating to data breaches. A few states have also imposed specific data security obligations. These state mini-FTC Acts, data security breach notification laws, and data security obligations may not extend to all of our services and their applicability may be limited by various factors, such as whether an affected party is a resident of a particular state.

While we have implemented reasonable administrative, physical and electronic security measures to protect against the loss, misuse and alteration of personally identifiable information, cyber-attacks on companies have increased in frequency and potential impact in recent years and may be successful despite reasonable precautions and result in substantial potential liabilities.

As we expand our operations to include a physical international presence, or otherwise expand our collection of personally identifiable information of residents in other countries, we may be subject to the data protection regulations of the relevant countries. In addition, the December 15, 2015 General Data Protection Regulation proposed by the European Commission will increase the likelihood of the applicability of European data protection law to entities outside the European Union that, process personally identifiable information of European data subjects. In addition, certain countries have laws which restrict the transfer of personally identifiable information outside of such countries. For example, both Switzerland and the member states of the European Union impose restrictions on transferring data to countries that they do not deem to offer a similar standard of protection. The United States is a jurisdiction these countries do not deem adequate for purposes of cross-border personal data transfers.

Certain mechanisms apply under Swiss and Europe Union member state laws that permit the cross border transfer of personal information to countries that are not deemed adequate, such as the United States. However, on October 6, 2015, the Court of Justice of the European Union (“CJEU”), the European Union’s highest court, declared one of those mechanisms—the fifteen year EU-U.S. Safe Harbor Framework-invalid as a mechanism to legitimize transfers of personally identifiable information from the EU to the U.S., primarily on the grounds that U.S. Government surveillance activities render EU individuals’ personally identifiable information inadequately protected. Gogo is certified under the Safe Harbor Framework for personally identifiable information it processes for its voice and data service offerings and for employee information. The U.S. Government, EU member states, the European Commission, and the Article 29 Data Protection Working Party (a working group consisting primarily of EU data protection authorities that issues non-binding guidance that is influential on the EU data protection authorities’ regulatory and enforcement activities) are still assessing the implications of the CJEU decision. On October 16, 2015, the Article 29 Data Protection Working Party issued a statement calling for governments to negotiate a solution by the end of January 2016 and on February 2, 2016, the U.S. Department of Commerce and the European Commission announced they had reached agreement to replace the Safe Harbor agreement with a new EU-U.S. “Privacy Shield,” the terms of which have not yet been released. Gogo is assessing alternatives to the Safe Harbor Framework to legitimatize relevant cross-border data transfers. There is

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a risk that EU data protection authorities, as a result of the CJEU decision, may investigate or bring enforcement actions with criminal and administrative sanctions. Such actions could also damage our business and harm our reputation.

Truth in Billing and Consumer Protection

The FCC’s Truth in Billing rules generally require full and fair disclosure of all charges on customer bills for telecommunications services, except for broadband Internet access services. Thus, these rules apply to our satellite-based BA services. This disclosure must include brief, clear and non-misleading plain language descriptions of the services provided. States also have the right to regulate wireless carriers’ billing; however, we are not currently aware of any states that impose billing requirements on ATG services.

CALEA

The FCC has determined that facilities-based broadband Internet access providers, which include Gogo, are subject to the Communications Assistance for Law Enforcement Act, or CALEA, which requires covered service providers to build certain law enforcement surveillance assistance capabilities into their communications networks and to maintain CALEA-related system security policies and procedures. Our network has been confirmed as compliant with CALEA by a third-party tester as of May 18, 2011.

Foreign Government Approvals

In connection with our satellite service, we have implemented a process for obtaining any required authority needed to provide our service over the airspace of foreign countries, or verifying that no additional authorization is needed. Each country over which a Gogo-equipped aircraft flies has the right to limit, regulate (e.g., through a licensing regime) or prohibit the offering of our service. We may not be able to obtain the necessary authority for every country over which a partner airline flies. For some countries, we have not been and do not expect to be able to obtain a definitive answer regarding their potential regulation of our service, and we may incur some regulatory risk by operating over the airspace of these countries. Failure to comply with foreign regulatory requirements could result in penalties being imposed on Gogo and/or on its airline partners, allow our airline partners affected by such requirements to terminate their contract with us prior to expiration or, under a contract with one of our airline partners, require us to pay liquidated damages. See “Risk Factors—Risks Related to Our Technology and Intellectual Property and Regulation—Regulation by United States and foreign government agencies, including the FCC, which issued our exclusive ATG spectrum license, and the FAA, which regulates the civil aviation manufacturing and repair industries in the United States, may increase our costs of providing service or require us to change our services.” Moreover, even countries that have previously provided clearance for our service have the right to change their regulations at any time.

Seasonality

The demand for air travel, including business travel, is subject to significant seasonal fluctuations. We generally expect overall passenger opportunity to be greater in the second and third quarters compared to the rest of the year due to an increase in leisure travel offset in part by a decrease in business travel during the summer months and holidays. See “Item 7A. Quantitative and Qualitative Disclosures About Market Risk.”

Intellectual Property

We rely on a combination of intellectual property rights, including trade secrets, patents, copyrights, trademarks and domain names, as well as contractual restrictions to protect intellectual property and proprietary technology owned or used by us.

We have patented certain of our technologies in the United States and certain countries outside of the United States. As of December 31, 2015, our United States patents will expire at dates ranging from February 2019 to

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June 2034, while our patents outside of the United States expire at dates ranging from August 2017 to December 2031. We do not believe our business is dependent to any material extent on any single patent or group of patents that we own. We also have a number of patent applications pending both in and outside of the United States and we will continue to seek patent protection in the United States and certain other countries to the extent we believe such protection is appropriate and cost-effective.

We consider our brands to be important to the success of our business and our competitive position. We rely on both trademark registrations and common law protection for trademarks. Our registered trademarks in the United States and certain other countries include, among others, “Gogo,” “Gogo Biz” and “Gogo Vision,” although we have not yet obtained registrations for our most important marks in all markets in which we currently do business or intend to do business in the future. Generally, the protection afforded for trademarks is perpetual, if they are renewed on a timely basis, if registered, and continue to be used properly as trademarks.

We license or purchase from third parties technology, software and hardware that are critical to providing our products and services. Much of this technology, software and hardware is customized for our use and would be difficult or time-consuming to obtain from alternative vendors. We also license our proprietary technology and software to third parties to enable them to integrate such technology and software into the products they provide to us. Many of our agreements with such third parties are renewable for indefinite periods of time unless either party chooses to terminate, although some of our agreements expire after fixed periods and would require renegotiation prior to expiration in order to extend the term. Among the most material of our technology-related agreements are those for aircards, base stations and antennas. Our agreements for aircards, base stations and antennas do not renew automatically and thus will require periodic renegotiation. Such agreements as well as certain licenses to commercially available software are material to our business.

We have developed certain ideas, processes, and methods that contribute to our success and competitive position that we consider to be trade secrets. We protect our trade secrets by keeping them confidential through the use of internal and external controls, including contractual protections with employees, contractors, customers, vendors, and airline partners. Trade secrets can be protected for an indefinite period so long as their secrecy is maintained.

Employees

As of December 31, 2015, we had 1,073 employees, including 189 in engineering, 347 in network operations, 203 in sales and marketing, 234 in general and administrative and 100 in information technology. Of such employees, 248 are employed in our BA operations. None of our employees are represented by a labor union.

Corporate Information

Gogo Inc. is a holding company that does business through its subsidiaries. Our principal operating subsidiaries are Gogo LLC and Gogo Business Aviation LLC, which are direct, wholly-owned subsidiaries of Gogo Intermediate Holdings LLC. Our international business is conducted through a number of subsidiaries, including Gogo Air International Sàrl, a Swiss limited liability company and a direct wholly-owned operating subsidiary of Gogo International Holdings LLC.

Our principal executive offices are located at 111 N. Canal St., Suite 1500, Chicago, IL 60606. Our telephone number is (312) 517-5000. Our website addresses are www.gogoair.com and www.business.gogoair.com.

Available Information

Our websites are located at www.gogoair.com and www.business.gogoair.com, and our investor relations website is located at http://ir.gogoair.com. Our Proxy Statements, Annual Reports on Form 10-K, Quarterly

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Reports on Form 10-Q, Current Reports on Form 8-K and amendments to reports filed or furnished pursuant to Sections 13(a) and 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), are available free of charge on the investor relations web site as soon as reasonably practicable after we electronically file such material with, or furnish it to, the SEC. We also provide a link to the section of the SEC’s website at www.sec.gov that has all of our public filings, including Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, all amendments to those reports, our Proxy Statements, and other ownership related filings. Further, a copy of this Annual Report on Form 10-K is located at the SEC’s Public Reference Room at 100 F Street, NE, Washington, D.C. 20549. Information on the operation of the Public Reference Room can be obtained by calling the SEC at 1-800-SEC-0330.

We webcast our earnings calls and certain events we participate in or host with members of the investment community on our investor relations website. Additionally, we provide notifications of news or announcements regarding our financial performance, including SEC filings, investor events, press and earnings releases, and blogs as part of our investor relations website. Investors and others can receive notifications of new information posted on our investor relations website in real time by signing up for email alerts and RSS feeds. Further corporate governance information, including our certificate of incorporation, bylaws, corporate governance guidelines, board committee charters, and code of business conduct, is also available on our investor relations website under the heading “Corporate Governance.” The contents of our websites are not intended to be incorporated by reference into this Annual Report on Form 10-K or in any other report or document we file with the SEC, and any references to our websites are intended to be inactive textual references only.

You should consider and read carefully all of the risks and uncertainties described below, as well as other information included in this Annual Report, including our consolidated financial statements and related notes. The risks described below are not the only ones facing us. The occurrence of any of the following risks or additional risks and uncertainties not presently known to us or that we currently believe to be immaterial could materially and adversely affect our business, financial condition and results of operations. This Annual Report also contains forward-looking statements and estimates that involve risks and uncertainties. Our actual results could differ materially from those anticipated in the forward-looking statements as a result of specific factors, including the risks and uncertainties described below.

Risks Related to Our CA Business

We are dependent on agreements with our airline partners to be able to access our customers. Payments by these customers for our services have provided, and we expect will continue to provide, a significant portion of our revenue. Our failure to realize the anticipated benefits from these agreements on a timely basis or to renew any existing agreements upon expiration or termination could have a material adverse effect on our financial condition and results of operations.

As of December 31, 2015, we had our equipment installed and provided our Gogo service to passengers on aircraft operated by seven airlines, and we had contracted to provide service on four additional airlines. For the years ended December 31, 2015, 2014, and 2013, the Gogo service we provide to passengers on commercial aircraft operated by our airline customers generated approximately 63%, 60% and 56% of our consolidated revenue, respectively. As of December 31, 2015, in addition to the 2,589 commercial aircraft on which we were providing service, we had contracts to install approximately 800 aircraft. Our growth is dependent on our ability to have our equipment installed on additional aircraft and increased use of the Gogo service on installed aircraft. Any delays in installations under these contracts may negatively affect our ability to grow our user base and revenue. In addition, we have no assurance that any of our current airline partners will renew their existing contracts with us upon expiration, or that they will not terminate their contracts prior to expiration upon the occurrence of certain contractually stipulated events. Contractual termination events include our bankruptcy and our material breach of contract, which in certain contracts is defined to include material breach of our service

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level agreements, and/or failure to achieve certain certification, equipment delivery, installation or other milestones within agreed-upon time frames. Several contracts with airline partners permit such airline to terminate the contract if the percentage of passengers using connectivity on such airline’s flights falls below certain negotiated thresholds. One contract with an airline partner from which we derive a significant portion, but less than a majority, of our CA-NA segment revenue permits such airline partner to terminate its contract with us if the airline’s revenue share falls below certain negotiated thresholds based on the airline’s costs incurred to provide the service and Gogo elects to not make the airline whole for such revenue share shortfall. Contracts with our airline partners from which we derive a significant portion, but less than a majority, of our CA-NA segment revenue allow those airlines to terminate a portion or all of their respective agreements after a specified time period upon the payment of a termination fee. Additionally, our contracts with American Airlines, Delta Air Lines, and certain other airline partners, from which we derive a majority of our CA-NA segment revenue, permit such airline partners to terminate all or a portion of their contracts with us if another company provides an alternate connectivity service that is a material improvement over Passenger Connectivity, such that failing to adopt such service would likely cause competitive harm to the airline, and we are unable to match the competitive offer in terms of price, technology and schedule. On February 4, 2016, we received a notification from American Airlines that it considers a competitor’s connectivity service to offer a material improvement over our ATG/ATG-4 service with respect to a portion of its fleet that we serve, representing approximately 200 of the approximately 950 American Airlines aircraft (including legacy US Airways aircraft) that we served as of December 31, 2015. To the extent that our airline partners terminate or fail to renew their contracts with us for any reason, our business prospects, financial condition and results of operations would be materially adversely affected.

Certain of our contracts with our airline partners include provisions that, under certain circumstances, entitle our airline partners to the benefit of certain more favorable provisions in other airline partners’ connectivity agreements, including terms related to termination, maintenance, service and pricing. These provisions, some of which have retroactive effect, may limit the benefits we realize from contracts containing such provisions. In addition, our inability to identify and offer improved terms to an airline partner in accordance with such a provision could negatively affect our relationship with that airline partner or give rise to a claim that we are in breach of such connectivity agreement.

A failure to maintain airline satisfaction with our equipment or the Gogo service could have a material adverse effect on our revenue and results of operations.

Our relationships with our airline partners are critical to the growth and ongoing success of our business. For the years ended December 31, 2015, 2014, and 2013, use of the Gogo service by passengers flying on Delta Air Lines aircraft accounted for approximately 28%, 26%, and 26%, respectively, of consolidated revenue. For the years ended December 31, 2015, 2014, and 2013 use of the Gogo service by passengers flying on American Airlines aircraft (including legacy US Airways aircraft) accounted for approximately 22%, 22%, and 23%, respectively, of consolidated revenue. At present, we have three separate contracts with American Airlines—two for the legacy American Airlines aircraft and one for the aircraft operated by US Airways prior to its merger into American Airlines. The merger has increased our dependence on the combined American Airlines entity. If our airline partners are not satisfied with our equipment or the Gogo service for any reason, including passenger dissatisfaction with the service as a result of capacity constraints, they may reduce efforts to co-market the Gogo service to their passengers, which could result in lower passenger usage and reduced revenue, which could in turn give certain airlines the right to terminate their contracts with us. In addition, airline dissatisfaction with us for any reason, including delays in obtaining certification for or installing our equipment or meeting our service level obligations, could negatively affect our ability to expand our service to additional airline partners or aircraft or lead to claims for damages, which may be material, or termination rights under existing contracts with our airline partners.

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We are experiencing network capacity constraints in the United States and expect capacity demands to increase, and we may in the future experience capacity constraints internationally. If we are unable to successfully implement planned or future technology enhancements to increase our network capacity, or our airline partners do not agree to such enhancements, our ability to maintain sufficient network capacity and our business could be materially and adversely affected.

Providers of wireless connectivity services, including providers of in-flight connectivity services and particularly ATG providers, face certain limits on their ability to provide connectivity service, including escalating capacity constraints due to expanding consumption of wireless services and the increasing prevalence of higher bandwidth uses such as file downloads and streaming media content. The success of our CA business depends on our ability to provide adequate bandwidth to meet customer demands while in-flight. Our ATG network is inherently limited by the spectrum licensed and we are currently experiencing capacity constraints in the United States, particularly on certain flights where demand for our service is high and certain routes on which a number of aircraft are within range of the same cell site at one time, and we expect demand to continue to increase in the United States as penetration rates increase and our service becomes available on more aircraft. As part of our effort to alleviate such constraints, we are continuing to implement our “technology roadmap.” The roadmap is intended to increase our capacity demands through a number of improvements, including the implementation of ATG-4, our second generation air-to-ground technology, and the deployment of 2Ku, our next generation global satellite solution, which is expected to be available for passenger revenue services in the first half of 2016.

We began the roll-out of our ATG-4 service during the second half of 2012 and as of December 31, 2015, such service was available on 948 aircraft operated by six airline partners, with the pace of ATG-4 installations and upgrades expected to accelerate in 2016. However, the successful and timely execution of this roll-out depends on certain variables that are not within our control, including the decision by our other airline partners whether to upgrade to ATG-4 and the schedule for any such upgrades, which will be affected by availability of aircraft and the speed with which we are able to obtain STCs from the FAA for our ATG-4 equipment. We are obligated, under certain of our contracts with airline partners, to bear costs of upgrading certain aircraft from ATG to ATG-4 and our associated costs under such contracts are material. If we are unable to continue to upgrade aircraft to ATG-4 on a timely or cost-effective basis, or at all, our already significant capacity constraints in the United States will be exacerbated.

Our ATG-4 upgrades alone are not expected to completely alleviate current or expected capacity constraints. Accordingly, our technology roadmap is also intended to augment existing ATG capacity by adding 2Ku-service on certain aircraft and routes. The successful and timely development and implementation of our 2Ku solution is subject to various risks and uncertainties as described in this Risk Factors section under the heading “—We may be unsuccessful or delayed in deploying our 2Ku technology.” In addition, there is no guarantee that the use of satellite technology, including through the use of 2Ku, will effectively alleviate current or future capacity constraints. Implementation of satellite solutions will depend on the availability of capacity from satellite service providers, regulatory approvals for aeronautical services using those satellites, the installation of satellite equipment on aircraft, and demand from our airline partners for new installations of satellite equipment. We have experienced delays in obtaining FAA approvals for certain components of our Ku-band equipment. Further, we may experience unanticipated delays, complications, and expenses in implementing, integrating, and operating our systems using these new technologies. Any interruptions in operations during periods of implementation could adversely affect our ability to maintain satisfactory service levels, properly allocate resources and process billing information in a timely manner, which could result in customer dissatisfaction, reputational harm, termination of key contracts and delayed or reduced cash flow.

We are currently exploring various options with respect to developing and implementing a next generation air-to-ground technology intended to further augment capacity in the contiguous United States. The inclusion of any such technology in our technology roadmap will require, among other things, that we obtain additional spectrum. There can be no assurances that we will be successful in obtaining additional spectrum on terms

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acceptable to us or at all. Should we pursue the development and implementation of such technology, the success of such efforts will be subject to numerous risks and uncertainties. In addition, there is no guarantee that the deployment of such technology, alone or together with ATG-4 and 2Ku, will effectively alleviate future capacity constraints. We utilize a number of additional means to ensure our network meets passenger expectations, including the creation of effective price plans intended to calibrate usage while maximizing Gogo service revenue, and sophisticated bandwidth management tools, including through the use of bandwidth management software, provided under a third party contract, which, if terminated for any reason or expired and not renewed or replaced, could adversely impact our ability to meet increasing capacity demands.

We may in the future face capacity constraints internationally. There is no guarantee that our technology roadmap or the other means we utilize to manage our networks will be sufficient to alleviate capacity constraints in the United States or internationally. If we fail to meet our capacity demands, it could harm our reputation with customers, certain airline partners could terminate their contracts with us for a failure to meet our service level agreements or we could be unable to enter into new contracts with other airline partners, and our business prospects and results of operations may be materially adversely affected.

On February 26, 2015, the FCC reclassified mobile (and fixed) broadband Internet access services as Title II telecommunications services and adopted broad new net neutrality rules. Such actions may constrain our ability to manage our network and make it more difficult for us to meet capacity demands. For example, broadband providers may not block access to legal content, applications, services, or non-harmful devices or impair or degrade lawful Internet traffic on the basis of content, applications, services, or non-harmful devices. The rules contain an exception for “reasonable network management.” We believe that our network management practices are reasonable under the FCC’s rules, but regulators may disagree with our interpretations.

Our business is highly dependent on the airline industry, which is itself affected by factors beyond the airlines’ control. The airline industry is highly competitive and sensitive to changing economic conditions.

Our business is directly affected by the number of passengers flying on commercial aircraft, the financial condition of the airlines and other economic factors. If consumer demand for air travel declines, including due to increased use of technology such as videoconferencing for business travelers, or the number of aircraft and flights shrinks due to, among other reasons, reductions in capacity by airlines, the number of passengers available to use the Gogo service will be reduced, which would have a material adverse effect on our business and results of operations. Unfavorable general economic conditions and other events that are beyond the airlines’ control, including higher unemployment rates, higher interest rates, reduced stock prices, reduced consumer and business spending, outbreaks of communicable diseases and terrorist attacks or threats could have a material adverse effect on the airline industry. A general reduction or shift in discretionary spending could result in decreased demand for leisure and business travel and lead to a reduction in airline flights offered and the number of passengers flying. Consolidation within the airline industry could also adversely affect our relationships with our existing airline partners or lead to Gogo-equipped aircraft being taken out of service. Further, unfavorable economic conditions could also limit airlines’ ability to counteract increased fuel, labor or other costs though raised prices. Our airline partners operate in a highly competitive business market and, as a result, continue to face pressure on offerings and pricing. These unfavorable conditions and the competitiveness of the air travel industry could cause one or more of our airline partners to reduce expenditures on passenger services including deployment of the Gogo service or file for bankruptcy. If one or more of our airline partners were to file for bankruptcy, bankruptcy laws could give them rights to terminate their contracts with us, they could reduce their total fleet size and capacity and/or their total number of flights, and/or they could attempt to renegotiate the terms of their contracts with us including their revenue share percentage. Any of these events would have a material adverse effect on our business prospects, financial condition and results of operations.

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We may not be able to grow our business with current airline partners or successfully negotiate agreements with airlines to which we do not currently provide the Gogo service.

We are currently in negotiations or discussions with certain of our airline partners to provide our equipment and the Gogo service on additional aircraft in their fleets. We have no assurance that these efforts will be successful. We are also in discussions with other airlines to provide our equipment and the Gogo service to some or all of the aircraft flying North American or international routes. Negotiations with current and prospective airline partners require substantial time, effort and resources. The time required to reach a final agreement with an airline is unpredictable and may lead to variances in our operating results from quarter to quarter. We may ultimately fail in our negotiations and any such failure could harm our results of operations due to, among other things, a diversion of our focus and resources, actual costs and opportunity costs of pursuing these opportunities. In addition, the terms of any future agreements could be materially different and less favorable to us than the terms included in our existing agreements with our airline partners. To the extent that any negotiations with current or potential airline partners are unsuccessful, or any new agreements contain terms that are less favorable to us, our growth prospects could be materially and adversely affected.

Competition from a number of companies, as well as other market forces, could result in price reduction, reduced revenue and loss of market share and could harm our results of operations.

We face strong competition from satellite-based providers of broadband services that include in-flight connectivity and in-flight entertainment, including live television services. Competition from such providers has had in the past and could have in the future an adverse effect on our ability to maintain or gain market share. While as of December 31, 2015, we provided the Gogo service to approximately 66% of all Internet-enabled North American commercial aircraft, the increased availability, development and adoption of satellite-based services by commercial airlines in North America and the rest of the world has and will continue to put additional pressure on our ability to maintain our market leading position, and we expect our market share to decline as our competitors install more aircraft with their systems in the U.S. and internationally. Five major North American airlines, provide Internet connectivity service supplied by our competitors on all or a portion of their fleets. Some of our competitors are larger, more diversified corporations and have greater financial, marketing, production, and research and development resources. As a result, they may be better able to withstand the effects of pricing pressures or periodic economic downturns or may offer a broader product line to customers, including services we do not currently provide, such as factory line-fit capabilities, and/or may not provide in the future. In addition, while we are currently the only provider of ATG service in North America, existing or potential competitors, including a supplier on whom we rely for critical components of our ATG and ATG-4 networks, may attempt to provide a similar service over a ground-based network using spectrum not currently designated for air-to-ground services. For example, on May 9, 2013 the FCC granted a petition for rulemaking filed by such supplier and issued a notice of proposed rulemaking soliciting comments on a proposal to make additional spectrum available for air-to-ground network connectivity. Competition within the in-flight broadband Internet access and in-cabin digital entertainment markets may also subject us to pricing pressures in terms of both passenger retail pricing and our negotiations with airlines. Pricing passenger service at too high a level could adversely affect the rate of consumer acceptance for the Gogo service, while increased competition for airline partners and aircraft or other market forces could force us to lower our prices or lose market share and could adversely affect growth prospects and profitability. In addition, to the extent that competing in-flight connectivity or entertainment services offered by commercial airlines that are not our airline partners are available on more aircraft or offer improved quality or reliability as compared to the Gogo service, our business and results of operations could be adversely affected. Competition could increase our sales and marketing expenses and related customer acquisition costs. We may not have the financial resources, technical expertise or marketing and support capabilities to continue to compete successfully. A failure to effectively respond to established and new competitors could have a material adverse impact on our business and results of operations.

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Our CA business has a limited operating history, which may make it difficult to evaluate our current business and predict our future performance.

Prior to August 2008, our operations were limited to our BA segment. We launched our Passenger Connectivity service in August 2008. In addition, both Gogo Vision and our in-flight platform were not launched until the second half of 2011. Further, our expansion of our CA business internationally began in the first quarter of 2014. The limited operating history of our CA business and particularly, our CA-ROW segment, may make it difficult to accurately evaluate the CA business and predict its future performance, and the growth of our CA-NA segment since inception is not necessarily indicative of potential future growth. Any assessments of our current business and predictions that we or you make about our future success or viability may not be as accurate as they could be if we had a longer operating history. We have encountered and will continue to encounter risks and difficulties frequently experienced by growing companies in rapidly changing industries, and the size and nature of our market opportunity will change as we scale our business and increase deployment of the Gogo service. If we do not address any of the foregoing risks, our business could be harmed.

We face limitations on our ability to grow our domestic operations which could harm our operating results and financial condition.

Our addressable market and our ability to expand domestically are inherently limited by various factors, including limitations on the number of U.S. commercial airlines with which we could partner, the number of planes in which our equipment can be installed, the passenger capacity within each plane and the ability of our network infrastructure or bandwidth to accommodate increasing capacity demands. Expansion is also limited by our ability to develop new technologies and successfully implement our technology roadmap on a timely and cost-effective basis, as well as our ability to mitigate network capacity constraints through, among other things, the licensing of additional spectrum. Our growth may slow, or we may stop growing altogether, to the extent that we have exhausted all potential airline partners and as we approach installation on full fleets and maximum penetration rates on all flights. In such circumstances, to continue to grow our domestic revenue, we would have to rely on customer and airline partner adoption of currently available and new or developing services and additional offerings, including Gogo Vision, Gogo TV, various services made possible by our in-flight platform, and Connected Aircraft Services. We cannot assure you that we will be able to profitably expand our existing domestic presence and, if we fail to do so, our business and results of operations could be materially adversely affected.

We may be unsuccessful in expanding our operations internationally.

Our efforts to expand the services provided by our CA business to aircraft flying internationally began in the first quarter of 2014. Our ability to grow and achieve profitability in our international business involves various risks, including the need to invest significant resources in unfamiliar markets, the amount of which investment is subject to certain limitations under our amended and restated senior term facility and may be limited by economic and financial market conditions, and the possibility that we may not realize a return on our investments in the near future or at all. In addition, we have incurred and expect to continue to incur significant expenses before we generate any material revenue in these new markets. Under our agreements with providers of satellite capacity, we are obligated to purchase bandwidth for specified periods, as much as six years in advance. If we are unable to generate sufficient passenger demand or airline partners to which we provide satellite service to their aircraft terminate their agreements with us for any reason during periods for which we have prepaid, we may incur satellite costs in excess of connectivity revenue generated through such satellites. Further, our expansion plans require significant management attention and resources and our CA business has limited experience in selling our solutions in international markets or in conforming to local cultures, standards or policies. Certain of our competitors, including current providers of satellite service, have more experience than we do in the international commercial airline connectivity and in-flight entertainment markets. As a result, such competitors may have pre-existing relationships with international airlines, may have obtained regulatory approvals in foreign jurisdictions or may already offer their equipment as standard, line-fit options on aircraft types, which may

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negatively affect our ability to enter into agreements with new international airline partners. Expansion of international marketing and advertising efforts could lead to a significant increase in our marketing and advertising expenses and would increase our customer acquisition costs. We may not be able to compete successfully in these international markets, and we may be unable to enter into agreements on favorable terms, if at all, to provide connectivity services to international fleets of our existing North American airline partners and to new international airline partners. In addition, our ability to expand will be limited by the demand for in-flight broadband Internet access in international markets. Any failure to compete successfully in international markets could also negatively impact our reputation and domestic operations.

Our current and future international operations may fail to succeed due to risks inherent in foreign operations, including:

As a result of these obstacles, we may find it difficult or prohibitively expensive to grow our business internationally or we may be unsuccessful in our attempt to do so, which could harm our future operating results and financial condition.

Our technology roadmap calls for the continued roll-out of Ku-band satellite service via our Ku and 2Ku technologies. To the extent that our satellite service providers do not satisfy our or our airline partners’ needs for any reason, our agreements with our satellite service providers do not yield the expected benefits, we fail to meet sales targets and other milestones set forth in the agreements or we otherwise fail to maintain a good working relationship with our satellite service providers, our current or future providers of satellite service may be unable to support our current international expansion plans. In addition, to the extent we enter into additional contracts to provide satellite-based connectivity service to airline partners, we will be required to secure additional satellite capacity, which may not be available on commercially reasonable terms, or at all. If we do not secure sufficient satellite capacity, we may be unable to meet the connectivity needs of passengers or the minimum service level requirements specified in our connectivity agreements, which could cause us to be in breach of our connectivity agreements and otherwise negatively affect our ability to successfully develop our international business.

We may be unsuccessful or delayed in deploying our 2Ku technology.

Our next generation 2Ku solution, which offers additional bandwidth and improved speeds for our connectivity service, is expected to be commercially available to commercial aircraft during the first half of 2016. Since our 2Ku service is currently in the testing phase and has yet to be deployed for commercial use, there can be no assurance that such technology will perform as expected or be deployed on our current timeline, due to,

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among other things, the failure of any 2Ku-related technology and equipment to perform as expected, problems arising in the manufacturing process, our reliance on single-source suppliers to provide certain necessary components and delays in obtaining or failures to obtain the required regulatory approvals for installation and operation of such equipment and the provision of service to passengers. In addition, other providers of satellite-based connectivity services currently have services available for commercial deployment that are intended to compete directly with 2Ku, and airlines may choose to adopt such a service over 2Ku. We currently have agreements with four airlines to provide 2Ku to all or a portion of such airlines’ fleets. The failure of 2Ku to perform as expected, or significant delays in our ability to deploy it, could result in material breaches of such agreements which could in turn result in termination of such agreements and liability to Gogo. In addition, three airlines have agreed or announced their intent to conduct 2Ku trials or enter into definitive agreements with us. If 2Ku fails to perform as expected or its commercial availability is significantly delayed as compared to the timelines for which we have contracted, our business, business prospects and results of operations may be materially adversely affected. In addition, our failure to timely deliver 2Ku could have a material adverse effect on our ability to alleviate capacity constraints in our network. See also “—We are experiencing network capacity constraints in the United States and expect capacity demands to increase, and we may in the future experience capacity constraints internationally. If we are unable to successfully implement planned or future technology enhancements to increase our network capacity, or our airline partners do not agree to such enhancements, our ability to maintain sufficient network capacity and our business could be materially and adversely affected.”

We may be unsuccessful in generating or increasing revenue from Gogo Vision, our in-flight platform, Gogo Text & Talk, Gogo TV, Connected Aircraft Services and other services that we may offer in the future.

The future growth prospects for our CA business depend, in part, on airlines or passengers paying for Gogo Vision on-demand video services, on revenue from advertising fees and e-commerce revenue share arrangements, on passenger purchases of goods and services through the in-flight portal, and on revenue from Gogo Text & Talk, Gogo TV and Connected Aircraft Services. Our ability to generate revenue from such services and other services we may offer in the future depends on:

If we are unsuccessful in generating or increasing revenue from these services and our in-flight platform, our future growth prospects could be materially and adversely affected.

We may not be successful in our efforts to develop and monetize new products and services that are currently in development, including our Connected Aircraft Services.

In order to continue to meet the evolving needs of our airline partners and customers, we must continue to develop new products and services that are responsive to those needs, including Connected Aircraft Services. Our ability to realize the benefits of these services, including monetizing our services at a profitable price point, depends, in part, on the adoption and utilization of operational applications by airlines, other aircraft operators

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and other companies in the aviation industry such as aircraft equipment suppliers, and we cannot be certain that airlines, other aircraft operators and others in the aviation industry will adopt such offerings in the near term or at all. We also expect to continue to rely on third parties to develop and offer the operational applications to be used to gather and process data transmitted on our network between the aircraft and the ground, and we cannot be certain that such applications will be compatible with our network or onboard equipment or otherwise meet the needs of airlines or other aircraft operators. If we are not successful in our efforts to develop and monetize new products and services, including our Connected Aircraft Services, our future business prospects, financial condition and results of operations would be materially adversely affected.

The merger of American Airlines and US Airways could have a material adverse effect on our revenue and results of operations.

On December 9, 2013, American Airlines and US Airways merged into American Airlines Group, Inc. Both American Airlines and US Airways are our airline partners. The impact of the merger is still inherently uncertain, and could result in reductions or other changes to the airlines’ fleets, including the elimination of their older or less efficient aircraft and the elimination of aircraft on duplicative routes, which may represent a material portion of their Gogo-equipped fleets, or taking planes scheduled for installation of Gogo equipment out of service. Our future revenue may decrease and our growth prospects and results of operations could be materially adversely affected to the extent that aircraft eliminated from service are not proximately replaced with new Gogo-equipped aircraft.

A future act or threat of terrorism, cyber-security attack or other events could result in a prohibition on the use of Wi-Fi enabled devices on aircraft.

A future act of terrorism or cyber-security attack on an aircraft, the threat of such acts or unrelated airline accidents could have an adverse effect on the airline industry. In the event of a terrorist attack or threat, cyber-security attack or threat or unrelated airline accident, the industry would likely experience significantly reduced passenger demand. The U.S. federal government or foreign governments could respond to such events by prohibiting the use of Wi-Fi enabled devices on aircraft, which would eliminate demand for our equipment and service. In addition, any association or perceived association between our equipment or service and the threat of terrorism, cyber-security attacks or accidents involving aircraft on which our equipment or service operates would likely have an adverse effect on demand for our equipment and service. Reduced demand for our products and services would adversely affect our business prospects, financial condition and results of operations.

Air traffic congestion at airports, air traffic control inefficiencies, weather conditions, such as hurricanes or blizzards, increased security measures, new travel-related taxes, the outbreak of disease or any other similar event could harm the airline industry.

Airlines are subject to cancellations or delays caused by factors beyond their control. Cancellations or delays due to weather conditions or natural disasters, air traffic control problems, including work stoppages or reduced government funding, breaches in security, outbreaks of communicable diseases or other factors could reduce the number of passengers on commercial flights and thereby reduce demand for the Gogo service and harm our business, results of operations and financial condition.

Risks Related to Our BA Business

Equipment sales to OEMs and after-market dealers account for a substantial portion of our revenue and earnings in the BA segment, and the loss of an OEM or dealer customer could materially and adversely affect our business and profitability.

Revenue from equipment sales on contracts with OEMs and after-market dealers accounted for more than 40% of revenue generated by our BA segment for each fiscal period presented in our consolidated financial

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statements included elsewhere in this Annual Report on Form 10-K. Almost all of our contracts with our OEM and dealer customers are terminable at will by either party and do not obligate our customers to purchase any of our equipment or services. If a key OEM or dealer terminates its relationship with us for any reason or our contract expires and is not renewed our business and profitability could be materially and adversely affected.

Our OEM customers may be materially adversely impacted by economic downturns and market disruptions. In anticipation of changing economic conditions, our customers may be more conservative in their production, which would result in fewer new aircraft available to receive our equipment. Further, unfavorable market conditions could cause one or more of our OEM customers to file for bankruptcy, which could have an adverse effect on our business prospects, financial condition and results of operations.

We operate in highly competitive markets with competitors who may have greater resources than we possess, which could reduce the volume of products we can sell and our operating margins.

Our BA equipment and service are sold in highly competitive markets. Some of our competitors are larger, more diversified corporations and have greater financial, marketing, production, and research and development resources. As a result, they may be better able to withstand pricing pressures and the effects of periodic economic downturns or may offer a broader product line to customers. Our operations and financial performance will be negatively impacted if our competitors:

We believe that the principal points of competition in our BA segment are technological capabilities, price, customer service, product development, conformity to customer specifications, quality of support after the sale and timeliness of delivery and installation. Maintaining and improving our competitive position will require continued investment in technology, manufacturing, engineering, quality standards, marketing and customer service and support. If we do not maintain sufficient resources to make these investments or are not successful in maintaining our competitive position, our operations and financial performance will suffer. In addition, competition may subject us to downward pricing pressures. Pricing at too high a level could adversely affect our ability to gain new customers and retain current customers, while increased competition could force us to lower our prices or lose market share and could adversely affect growth prospects and profitability. We may not have the financial resources, technical expertise or support capabilities to continue to compete successfully. A failure to respond to established and new competitors could have a material adverse impact on our business and results of operations.

We generally do not have guaranteed future sales of our equipment. Further, we enter into fixed price contracts with some of our customers, so we take the risk for cost overruns.

Many of our OEM customers may terminate their contracts with us on short notice and, in many cases, our customers have not committed to buy any minimum quantity of our equipment. In addition, in certain cases, we must anticipate the future volume of orders based upon non-binding production schedules provided by OEMs, the historical purchasing patterns of customers, and informal discussions with customers as to their anticipated future requirements. Cancellations, reductions or delays by a customer or group of customers could have a material adverse effect on our business, financial condition and results of operations.

Furthermore, pursuant to many of our contracts with our OEM customers, we have agreed to deliver equipment and/or services, including equipment and services not yet in production, for a fixed price and, accordingly, take the risk of any cost overruns. Also, we may accept a fixed-price contract for equipment that we

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have not yet produced, and the fact that we have not yet produced the equipment increases the risk of cost overruns or delays in the completion of the design and manufacturing of the product.

Many of the risks that could harm our CA business could also adversely affect our BA business.

For the years ended December 31, 2015, 2014, and 2013, approximately 65%, 66%, and 64% of the equipment revenue, respectively, and approximately 88%, 85%, and 77% of the service revenue, respectively, for our BA segment was attributable to the sale of ATG equipment and subscriptions for our Gogo Biz in-flight broadband Internet service. As such, many of the risks described above relating to our CA business and the Gogo service could also have a material adverse effect on our BA business, including expected capacity constraints on our network in the near-term, our ability to successfully implement technology enhancements to our network and our ability to successfully develop and deploy new products and services and generate revenue and profits from the sale of such products and services.

Risks Related to Our Technology and Intellectual Property and Regulation

Our CA-NA and BA businesses are dependent on our right to use spectrum exclusively licensed to us.

In June 2006, we purchased at FCC auction an exclusive ten-year, 3 MHz license for ATG spectrum that expires in October 2016, and in April 2013, as part of our acquisition of Airfone, we acquired an additional 1MHz ATG spectrum license that expires in October 2016. Prior to expiration of the initial license terms, we expect to apply to renew our licenses for additional ten-year terms without further payment. Any breach of the terms of our FCC licenses or FCC regulations including foreign ownership restrictions, permitted uses of the spectrum and compliance with FAA regulations, could result in the revocation, suspension, cancellation or reduction in the term of our licenses or a refusal by the FCC to renew the licenses upon expiration. Further, in connection with an application to renew our licenses upon expiration, a competitor could file a petition opposing such renewal on anti-competitive or other grounds. Our ability to offer in-flight broadband Internet access through our ATG service currently depends on our ability to maintain rights to use the 3MHz ATG spectrum in the U.S. and our failure to do so would have a material adverse effect on our business and results of operations. Our ability to meet increasing capacity demands and expand our service offerings in the United States will depend in part upon our ability to obtain sufficient rights to use additional means to provide in-flight Internet connectivity including spectrum for ATG or satellite, such as, for example, successful participation in the potential FCC auction of the 14 GHz spectrum, to the extent we elect to participate in such auction. Obtaining such spectrum can be a lengthy and costly process. We may not be able to license or maintain the spectrum necessary to execute our business strategy.

While our spectrum license allows us to be the exclusive provider of ATG broadband connectivity in the United States, additional ATG spectrum may become available in the United States or internationally in the future.

While we are currently the only provider of ATG service in the United States, the FCC may in the future decide to auction additional spectrum for ATG use that is not currently designated for that purpose, or a competitor could develop technology or a business plan that allows it to cost effectively use spectrum not specifically reserved for ATG, but on which ATG use is not prohibited, to provide broadband connectivity. On May 9, 2013, the FCC issued a notice of proposed rulemaking with respect to the 14 GHz spectrum. As a result of this rulemaking process, the FCC has prepared a draft order to auction off spectrum for ATG use and if such auction occurred and we failed to adequately secure rights to such additional spectrum, the additional ATG spectrum, which would have greater capacity than our current spectrum, could be held by, or available for license to, one or more of our existing competitors or new entrants. In order to remain competitive, we may have to make significant expenditures to purchase or lease spectrum that is currently held by other licensees or that is newly auctioned for ATG use including the 14 GHz spectrum. It is unclear whether and when the FCC will issue an order designating the 14 GHz spectrum for ATG use. If an auction of such spectrum is held, we may elect to

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participate. We are currently exploring various options with respect to developing and implementing a next generation air-to-ground technology in order increase bandwidth speeds and provide additional capacity in the contiguous United States. Our development and implementation of next generation air-to-ground technology will require that we obtain rights to sufficient 14GHz or other spectrum.

The availability of additional spectrum in the marketplace that is authorized for ATG use may increase the possibility that we may face competition from one or more other ATG service providers in the future. In addition, the FCC recently adopted an order establishing a more streamlined process for obtaining authority to provide satellite-based in-flight broadband service over the U.S., which could help facilitate the market entry of additional satellite-based competitors.

While our international competition currently consists of satellite-based interconnectivity services, discussions are occurring in the European Union and elsewhere regarding the possible allocation of spectrum for ATG service and one such competitor has announced that it is planning to launch a European air-to-ground network or hybrid ATG/S-band inflight connectivity service in Europe. In the event that spectrum becomes available in one or more regions for such purpose and is acquired by our existing competitors or new entrants, we could face competition from such providers in such regions.

We face specific risks related to the provision of telecommunications and data services by satellite, capacity providers and equipment suppliers.

We rely on third-party suppliers for services and equipment that we use to provide satellite telecommunication and connectivity services to commercial airline passengers and business aviation customers. We generated approximately 7%, 7%, and 7% of total BA segment revenue from subscriptions for voice and data services provided via satellite for the years ended December 31, 2015, 2014, and 2013, respectively. These voice and data services are provided in our BA segment through the resale on a non-exclusive basis of satellite-based telecommunications and data services owned and operated by third parties. We currently rely on two satellite partners to provide these services to our BA customers and have a number of satellite resellers as our competitors. Our agreements with our BA satellite partners are short-term in nature and one is subject to termination for convenience on 90 days’ notice.

We also have agreements with several CA satellite partners to provide Ku-band satellite service on a non-exclusive basis. Service is typically provided through individual service orders for specified transponders, which range in duration from one to six years. If any of these agreements were terminated or not renewed upon expiration, or if any of our satellite partners fail to obtain, or lose, necessary regulatory authorizations, we could face material delays or interruptions in the provision of service to our customers that rely on satellite service for connectivity or other voice and data services. If our agreements with any of our satellite partners were terminated or expired and were not renewed, we may not be able to find alternative satellite partners on terms that are acceptable to us, or at all. Certain of our agreements with satellite service providers commit us to purchase bandwidth up to five years in advance, which may exceed passenger demand and require us to incur unnecessary costs. See “—We may be unsuccessful in expanding our operations internationally.”

We also have agreements with third parties to provide the equipment, including radomes, antennas and modems, necessary for us to supply our Ku-band satellite service, and such agreements either renew automatically from year to year or have not less than 10-year terms.

If any of our Ku or 2Ku supplier agreements, or any other agreement with equipment providers, were terminated for any reason or expired and were not renewed, or the equipment was not provided for in a timely basis or of a reliable quality, we may not be able to find alternative equipment providers on terms that are acceptable to us, or at all, which could delay our ability to roll out our satellite service to airline partners and adversely impact our business and results of operations. In addition, we are required to obtain regulatory approvals for the provision of satellite service from certain foreign telecommunications regulatory bodies.

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Our agreements with satellite providers and equipment suppliers may contain terms, such as those related to termination, pricing and service levels that are not consistent with our obligations under our connectivity agreements with airline partners that rely on such satellite service or equipment for connectivity. Such misalignment could cause us to be in breach of such connectivity agreements, and we may be unable to seek indemnification for such losses from our satellite service providers and equipment providers. Further, if our satellite partners or equipment providers were to increase the fees they charge us for resale of their services and we could not pass these increased costs on to our customers, it would increase our cost of service revenue and adversely impact our business and results of operations.

If we fail to comply with the Communications Act and FCC regulations limiting ownership and voting of our capital stock by non-U.S. persons we could lose our FCC license.

Under the Communications Act and applicable FCC regulations, we are effectively restricted from having more than 25% of our capital stock owned or voted directly or indirectly by non-U.S. persons, including individuals and entities organized outside the United States or controlled by non-U.S. persons. We have established procedures to ascertain the nature and extent of our foreign ownership, and we believe that the indirect ownership of our equity by foreign persons or entities is below the 25% cap. However, as a publicly traded company we may not be able to determine with certainty the exact amount of our stock that is held by foreign persons or entities at any given time. A failure to comply with applicable restrictions on ownership by non-U.S. persons could result in an order to divest the offending ownership, fines, denial of license renewal and/or spectrum license revocation proceedings, any of which would likely have a material adverse effect on our results of operations.

We could be adversely affected if we suffer service interruptions or delays, technology failures or damage to our equipment.

Our brand, reputation and ability to attract, retain and serve our customers depend upon the reliable performance of our in-flight website, network infrastructure, content delivery processes and payment systems. We have experienced interruptions in these systems in the past, including server failures that temporarily slowed down our website’s performance and users’ access to the Internet, or made our website inaccessible, and we may experience service interruptions, service delays or technology or systems failures in the future, which may be due to factors beyond our control. In the past, service failures or delays of our website have been remedied by bypassing the payment processing step for users and directly connecting such users to the Internet, leading to a loss of revenue for those sessions. If we experience frequent system or network failures, our reputation, brand and customer retention could be harmed, we may lose revenue to the extent that we have to bypass the payment processing step in order to maintain customers’ connectivity to the Internet and our airline partners may have the right to terminate their contracts with us or pursue other remedies.

Our operations and services depend upon the extent to which our equipment and the equipment of our third-party network providers is protected against damage or interruption from fire, floods, earthquakes, tornados, power loss, solar flares, telecommunication failures, break-ins, acts of war or terrorism and similar events. The capacity, reliability and security of our network infrastructure are important to the operation of our business, which would suffer in the event of system disruptions or failures, such as computer hackings, cyber-attacks, computer viruses, worms or other destructive or disruptive software, process breakdowns, denial of service attacks or other malicious activities. Our networks and those of our third-party service providers may be vulnerable to these attacks and unauthorized access. In addition, the satellites upon which we rely for current and will rely for future services are and will be subject to significant operational risks while in orbit. These risks include malfunctions, which have occurred and may occur in the future as a result of various factors, such as satellite design and manufacturing defects, problems with the power or control systems of the satellites and general failures resulting from operating satellites in the harsh environment of space. Damage to our or third parties’ networks could cause interruptions in the services that we provide. Such interruptions in our services could have a material adverse effect on service revenue, our reputation and our ability to attract or retain customers.

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We rely on single source service providers for certain critical components of our networks and operations.

We rely on single source suppliers for a number of critical components of our ATG, Ku and 2Ku networks and operations. For example, we purchase all of the aircards used for our ATG and ATG-4 equipment from a single provider, an affiliate of which we believe holds all of the patents for these components. If we are required to find one or more alternative suppliers for aircards or any other component for which we may rely on a single source supplier, we may not be able to contract with them on a timely basis, on commercially reasonable terms, or at all. Additionally, we purchase equipment for all of the base stations used at our cell-sites from a single provider. The base stations used at our cell-sites may require six to nine months lead time to produce and are highly integrated with other components of our network. If we needed to seek one or more alternate suppliers for our base stations, we estimate that it could take up to two years or more before any such alternate supplier could deliver a component that meets our network requirements. We also license all of our ATG-4 bandwidth optimization software from a single provider. If we are required to find one or more alternative suppliers for this or comparable software, we may not be able to contract with them on a timely basis, on commercially reasonable terms, or at all.

With respect to our Ku satellite service, we rely on several single source providers to provide the equipment, including the radome, antenna and modem. With respect to 2Ku, we rely on single source suppliers to provide the antenna and modem required to operate the system, and such providers own the associated intellectual property. If we were required for any reason (including termination of the contract by the supplier or termination by us as a result of the supplier’s failure to perform as required), we estimate that it could take up to two years to replace certain equipment suppliers. Delays in finding and contracting with alternative suppliers would significantly delay or suspend our ability to roll out our satellite service to airline partners and adversely impact our business, financial condition and results of operations.

In addition, if we are required to find one or more alternative suppliers for any of these single-provider components, we may not be able to contract with them on a timely basis, on commercially reasonable terms, or at all, which could adversely impact our ability to roll out our satellite-based service with our current or future airline partners. The lack of alternative suppliers could lead to higher prices and a failure by any of our single source providers to continue to produce the component, or to otherwise fulfill its obligations, could have a material adverse effect on our business, results of operations, and financial condition.

Assertions by third parties of infringement, misappropriation or other violations by us of their intellectual property rights could result in significant costs and substantially harm our business and operating results.

In recent years, there has been significant litigation involving intellectual property rights in many technology-based industries, including the wireless communications industry. We have faced, are currently facing and may face from time to time in the future, allegations that we or a supplier or customer have violated the rights of third parties, including patent, trademark and other intellectual property rights.

If, with respect to any claim against us for violation of third party intellectual property rights, we are unable to prevail in the litigation or retain or obtain sufficient rights or develop non-infringing intellectual property or otherwise alter our business practices on a timely or cost-efficient basis, our business and competitive position may be materially adversely affected. Many companies, including our competitors, are devoting significant resources to obtaining patents that could potentially cover many aspects of our business. In addition, there are numerous patents that broadly claim means and methods of conducting business on the Internet. We have not exhaustively searched patents relevant to our technologies and business and therefore it is possible that we may be unknowingly infringing the patents of others.

Any infringement, misappropriation or related claims, whether or not meritorious, are time-consuming, divert technical and management personnel and are costly to resolve. As a result of any such dispute, we may

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have to develop non-infringing technology, pay damages, enter into royalty or licensing agreements, cease providing certain products or services, adjust our merchandizing or marketing and advertising activities or take other actions to resolve the claims. These actions, if required, may be costly or unavailable on terms acceptable to us. Pursuant to our contracts with our airline partners and certain BA customers, we have agreed to indemnify our airline partners and such customers against such claims and lawsuits, and, in some cases, our contracts do not cap our indemnification obligations, which, in addition to obligating us to pay defense costs, could result in significant indemnification obligations in the event of an adverse ruling in such an action. In addition, certain of our suppliers do not indemnify us for third party infringement or misappropriation claims arising from our use of supplier technology. As a result, we may be liable in the event of such claims. Any of these events could result in increases in operating expenses, limit our service offerings or result in a loss of business if we are unable to meet our indemnification obligations and our airline partners terminate or fail to renew their contracts.

We or our technology suppliers may be unable to continue to innovate and provide products and services that are useful to consumers, airlines and other aircraft operators.

The market for our services is characterized by evolving technology, changes in customer, airline and aircraft operator needs and frequent new service and product introductions. Our future success will depend, in part, on our and our suppliers’ ability to continue to enhance or develop new technology and services, including operational requirements of commercial airlines and business aircraft owners and operators and applications that meet customer needs and enhance operational efficiency on a timely and cost-effective basis. If we or our suppliers fail to adapt quickly enough to changing technology, customer requirements and/or industry standards, our service offerings may fail to meet customer, airline and aircraft operator needs or regulatory requirements. We may have to invest significant capital to keep pace with innovation and changing technology, which could negatively impact our results of operations.

Furthermore, the proliferation of new mobile devices, including tablets, and operating platforms poses challenges for our research and development efforts. If we are unable to create, or obtain rights to, simple solutions for a particular device or operating platform, we will be unable to effectively attract users of these devices or operating platforms and our business will be adversely affected.

We may not be able to protect our intellectual property rights.

We regard our trademarks, service marks, copyrights, patents, trade secrets, proprietary technologies, domain names and similar intellectual property as important to our success. We rely on trademark, copyright and patent law, trade secret protection, and confidentiality agreements with our employees, vendors, airline partners, customers and others to protect our proprietary rights. We have sought and obtained patent protection for certain of our technologies in the United States and certain other countries. Many of the trademarks that we use (including marks we have applied to register) contain words or terms having a somewhat common usage, such as “Gogo” and “Gogo Vision” and, as a result, we may have difficulty registering them in certain jurisdictions. We do not own, for example, the domain www.gogo.com and we have not yet obtained registrations for our most important marks in all markets in which we may do business in the future, including China and India. If other companies have registered or have been using in commerce similar trademarks for services similar to ours in foreign jurisdictions, we may have difficulty in registering, or enforcing an exclusive right to use, our marks in those foreign jurisdictions.

There can be no assurance that the efforts we have taken to protect our proprietary rights will be sufficient or effective, that any pending or future patent and trademark applications will lead to issued patents and registered trademarks in all instances, that others will not develop or patent similar or superior technologies, products or services, or that our patents, trademarks and other intellectual property will not be challenged, invalidated, misappropriated or infringed by others. Furthermore, the intellectual property laws and enforcement practices of other countries in which our service is or may in the future be offered may not protect our products and intellectual property rights to the same extent as the laws of the United States. If we are unable to protect our

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intellectual property from unauthorized use, our ability to exploit our proprietary technology or our brand image may be harmed and, as a result, our business and results of operations may suffer.

Our use of open source software could limit our ability to commercialize our technology.

Open source software is software made widely and freely available to the public in human-readable source code form, usually with liberal rights to modify and improve such software. Some open source licenses require as a condition of use that proprietary software that is combined with licensed open source software and distributed must be released to the public in source code form and under the terms of the open source license. Accordingly, depending on the manner in which such licenses were interpreted and applied, we could face restrictions on our ability to commercialize certain of our products and we could be required to (i) release the source code of certain of our proprietary software to the public, including competitors; (ii) seek licenses from third parties for replacement software; and/or (iii) re-engineer our software in order to continue offering our products. Such consequences could materially adversely affect our business.

The failure of our equipment or material defects or errors in our software may damage our reputation, result in claims against us that exceed our insurance coverage, thereby requiring us to pay significant damages, and impair our ability to sell our service.

Our products contain complex systems and components that could contain errors or defects, particularly when we incorporate new technology. If any of our products are defective, we could be required to redesign or recall those products or pay substantial damages or warranty claims. Such events could result in significant expenses, disrupt sales and affect our reputation and that of our products. If our on-board equipment has a malfunction, or there is a problem with the equipment installation, which damages an airplane or impairs its on-board electronics or avionics, significant property loss and serious personal injury or death could result. Any such failure could expose us to substantial personal injury claims, product liability claims or costly repair obligations. In particular, the passenger jets operated by our airline partners are very costly to repair and therefore the damages in any product liability claims could be material. We carry aircraft and non-aircraft product liability insurance consistent with industry norms. However, this insurance coverage may not be sufficient to fully cover the payment of any claims. A product recall or a product liability claim not covered by insurance could have a material adverse effect on our business, financial condition and results of operations. Further, we indemnify most of our airline partners for losses due to third-party claims and in certain cases the causes for such losses may include failure of our products. Our business, financial condition and results of operations would also be materially adversely affected should we be required by the FAA or otherwise to cease providing the Gogo service, even on a temporary basis, as a result of a product malfunction or defect.

The software underlying our services is inherently complex and may contain material defects or errors, particularly when the software is first introduced or when new versions or enhancements are released. We have from time to time found defects or errors in our software, and defects or errors in our existing software may be detected in the future. Any defects or errors that cause interruptions to the availability of our services could result in:

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The costs incurred in correcting any material defects or errors in our software may be substantial and could harm our results of operations.

Regulation by United States and foreign government agencies, including the FCC, which issued our exclusive ATG spectrum license, and the FAA, which regulates the civil aviation manufacturing and repair industries in the United States, may increase our costs of providing service or require us to change our services.

We are subject to various regulations, including those regulations promulgated by various federal, state and local regulatory agencies and legislative bodies and comparable agencies outside the United States where we may do business. The two U.S. government agencies that have primary regulatory authority over our operations are the FCC and the FAA.

The FCC regulates our use of the spectrum licensed to us and the licensing, construction, modification, operation, ownership, sale and interconnection of wireless telecommunications systems. Any breach of the terms of our ATG spectrum license or other licenses and authorizations obtained by us from time to time, or any violation of the Communications Act or the FCC’s rules, could result in the revocation, suspension, cancellation or reduction in the term of a license or the imposition of fines. From time to time, the FCC may monitor or audit compliance with the Communications Act and the FCC’s rules or with our licenses, including if a third party were to bring a claim of breach or noncompliance. In addition, the Communications Act, from which the FCC obtains its authority, may be amended in the future in a manner that could be adverse to us. The FCC is currently conducting rulemaking proceedings to consider the service rules for certain aeronautical services and recently granted a petition and issued a notice of proposed rulemaking in connection with a request to designate certain spectrum, currently designated for non-ATG use, for ATG service. The timetable and ultimate outcome of such rulemaking processes are unknown and we are unable to determine whether they would have an effect on our business.

The commercial and private aviation industries, including civil aviation manufacturing and repair industries, are highly regulated in the United States by the FAA. FAA certification is required for all equipment we install on commercial aircraft and type certificated business aircraft, and certain of our operating activities require that we obtain FAA certification as a parts manufacturer. As discussed in more detail in the section entitled “Business—Licenses and Regulation—Federal Aviation Administration,” FAA approvals required to operate our business include Supplemental Type Certificates (STCs) and Parts Manufacturing Authority (PMA). Obtaining STCs and PMAs is an expensive and time-consuming process that requires significant focus and resources. Any inability to obtain, delay in obtaining, or change in, needed FAA certifications, authorizations, or approvals, could have an adverse effect on our ability to meet our installation commitments, manufacture and sell parts for installation on aircraft, or expand our business and could, therefore, materially adversely affect our growth prospects, business and operating results. The FAA closely regulates many of our operations. If we fail to comply with the FAA’s many regulations and standards that apply to our activities, we could lose the FAA certifications, authorizations, or other approvals on which our manufacturing, installation, maintenance, preventive maintenance, and alteration capabilities are based. In addition, from time to time, the FAA or comparable foreign agencies adopt new regulations or amend existing regulations. The FAA could also change its policies regarding the delegation of inspection and certification responsibilities to private companies, which could adversely affect our business. To the extent that any such new regulations or amendments to existing regulations or policies apply to our activities, those new regulations or amendments to existing regulations generally increase our costs of compliance.

As a provider of telecommunications services in the business aviation industry, we are required to contribute a percentage of all revenue generated from interstate or international telecommunications VoIP services, which we offer in the BA segment) to the federal Universal Service Fund, which subsidizes telecommunications

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services in areas that are expensive to serve. Broadband Internet access services are currently exempt from the requirement, but the FCC is considering a number of reforms to its Universal Service Fund mechanisms that would expand the scope of that regulatory regime to such services. The FCC currently is considering a number of reforms to its Universal Service Fund mechanisms that would expand the scope of that regulatory regime to cover broadband Internet access services. Such reforms may include, but are not limited to, imposing obligations on broadband Internet access service providers to contribute a percentage of the revenue earned from such services to the Universal Service Fund. To the extent the FCC adopts new contribution requirements that apply to broadband Internet providers or otherwise imposes additional contribution obligations, such requirements and obligations may increase the costs we incur to comply with such regulations.

As a broadband Internet provider, we must comply with the Communications Assistance for Law Enforcement Act of 1994, or CALEA, which requires communications carriers to ensure that their equipment, facilities and services can accommodate certain technical capabilities in executing authorized wiretapping and other electronic surveillance. Currently, our CALEA solution is fully deployed in our network. However, we could be subject to an enforcement action by the FCC or law enforcement agencies for any delays related to meeting, or if we fail to comply with, any current or future CALEA, or similarly mandated law enforcement related, obligations. Such enforcement actions could subject us to fines, cease and desist orders, or other penalties, all of which could adversely affect our business. Further, to the extent the FCC adopts additional capability requirements applicable to broadband Internet providers, its decision may increase the costs we incur to comply with such regulations.

In addition to these U.S. agencies, we are also subject to regulation by foreign government agencies that choose to assert jurisdiction over us as a result of the service we provide on aircraft that fly international routes, including Industry Canada, which issued our exclusive Canadian ATG subordinate spectrum license and regulates our use of the spectrum licensed to us. Adverse decisions or regulations of these U.S. and foreign regulatory bodies could negatively impact our operations and costs of doing business and could delay the roll-out of our services and have other adverse consequences for us. For example, a contract covering the international fleet of Delta Air Lines permits such airline to terminate its contract with us if we have not, by specified dates, obtained the FCC and foreign governmental regulatory approvals required to provide our Ku-band satellite service on aircraft flying such partner’s international routes. Our ability to obtain certain regulatory approvals to offer the Gogo service internationally may also be the responsibility of a third party, and, therefore, may be out of our control. We are unable to predict the scope, pace or financial impact of regulations and other policy changes that could be adopted by the various governmental entities that oversee portions of our business.

If government regulation of the Internet, including e-commerce or online video distribution changes, we may need to change the way we conduct our business to a manner that incurs greater operating expenses, which could harm our results of operations.

The current legal environment for Internet communications, products and services is uncertain and subject to statutory, regulatory or interpretive change. We cannot be certain that we, our vendors and media partners or our customers are currently in compliance with applicable regulatory or other legal requirements in the countries in which our service is used. Our failure, or the failure of our vendors and media partners, customers and others with whom we transact business to comply with existing or future legal or regulatory requirements could materially adversely affect our business, financial condition and results of operations. Regulators may disagree with our interpretations of existing laws or regulations or the applicability of existing laws or regulations to our business, and existing laws, regulations and interpretations may change in unexpected ways.

For example, our mobile wireless broadband Internet access services, including Passenger Connectivity and Gogo Biz, were previously classified as information services, and not as telecommunications services. Therefore, these services were not subject to FCC common carrier regulation. However, effective June 12, 2015, the FCC reclassified mobile (and fixed) broadband Internet access services as Title II telecommunications services (the “Open Internet Order”). The Open Internet Order also adopted broad new net neutrality rules. For example,

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broadband providers may not block access to lawful content, applications, services, or non-harmful devices. Broadband providers also may not impair or degrade lawful Internet traffic on the basis of content, applications, services, or non-harmful devices. In addition, broadband providers may not favor some lawful Internet traffic over other lawful traffic in exchange for consideration of any kind, and they may not prioritize the content and services of their affiliates. Other than for paid prioritization, the rules contain an exception for “reasonable network management.” The Open Internet Order recognizes that whether a network management practice is reasonable varies according to the broadband technology involved and may provide more flexibility to implement network management practices in the context of Gogo’s capacity-constrained air-to-ground and satellite broadband networks.

The FCC order also imposes new disclosure requirements on broadband providers, including enhanced network performance reporting requirements. These new requirements have not gone into effect and are subject to further Executive Branch review. Moreover, the FCC has temporarily exempted smaller providers, such as Gogo, from its enhanced disclosure requirements. The Consumer and Government Affairs Bureau released an order December 15, 2015, extending the exemption until December 15, 2016. Until the disclosure requirements are finalized, we cannot assess what impact they will have on Gogo’s practices.

Other jurisdictions may adopt similar or different regulations that could affect our ability to use “network management” techniques. Likewise, the United States and the European Union, among other jurisdictions, are considering proposals regarding data protection that, if adopted, could impose heightened restrictions on certain of Gogo’s activities relating to the collection and use of data of end users. Further, as we promote exclusive content and services and increase targeted advertising with our media partners to customers of the Gogo service, we may attract increased regulatory scrutiny.

We cannot be certain what positions regulators may take regarding our compliance with, or lack of compliance with, current and future legal and regulatory requirements or what positions regulators may take regarding any past or future actions we have taken or may take in any jurisdiction. Regulators may determine that we are not in compliance with legal and regulatory requirements, and impose penalties, or we may need to make changes to the Gogo platform, which could be costly and difficult. Any of these events would adversely affect our operating results and business.

The satellites that we currently rely on or may rely on in the future have minimum design lives, but could fail or suffer reduced capacity before then.

The usefulness of the satellites upon which we currently rely and may rely on in the future is limited by each satellite’s minimum design life. For example, the satellites through which we will provide Ku-band service have minimum design lives ranging from 10 to 15 years. Our ability to offer in-flight connectivity outside North America and alleviate capacity constraints throughout our network depends on the continued operation of the satellites or any replacement satellites, each of which has a limited useful life. We can provide no assurance, however, as to the actual operational lives of those or future satellites, which may be shorter than their design lives, nor can we provide assurance that replacement satellites will be developed, authorized or successfully deployed.

In the event of a failure or loss of any of these satellites, our satellite service providers may relocate another satellite and use it as a replacement for the failed or lost satellite, which could have an adverse effect on our business, financial condition and results of operations. Such a relocation may require regulatory approval, including through, among other things, a showing that the replacement satellite would not cause additional interference compared to the failed or lost satellite. We cannot be certain that our satellite service providers could obtain such regulatory approval. In addition, we cannot guarantee that another satellite will be available for use as a replacement for a failed or lost satellite, or that such relocation can be accomplished without disrupting or otherwise adversely impacting our business.

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Satellites that are not yet in service are subject to construction and launch related risks.

Satellite construction and launch are subject to significant risks, including delays, launch failure and incorrect orbital placement. Launch failures result in significant delays in the deployment of satellites because of the need both to construct replacement satellites and to obtain other launch opportunities. Construction and launch delays, including any delay in the launch of satellites intended to replace one of the satellites we currently plan to utilize to provide Ku-band satellite service, could materially and adversely affect our ability to generate revenues.

Risks Related to Our Business and Industry

If our efforts to retain and attract customers are not successful, our revenue will be adversely affected.

We currently generate substantially all of our revenue from sales of services, some of which are on a subscription basis, and equipment. We must continue to retain existing subscribers and attract new and repeat customers. If we are unable to effectively retain existing subscribers and attract new and repeat customers, our business, financial condition and results of operations would be adversely affected.

Unreliable service levels, lack of sufficient capacity, uncompetitive pricing, lack of availability, security risk and lack of related features of our equipment and services are some of the factors that may adversely impact our ability to retain existing customers and partners and attract new and repeat customers. In our CA business, if consumers are able to satisfy their in-flight entertainment needs through activities other than broadband Internet access, at no or lower cost, they may not perceive value in our products and services. If our efforts to satisfy and retain our existing customers and subscribers are not successful, we may not be able to continue to attract new customers through word-of-mouth referrals. Any of these factors could cause our customer growth rate to fall, which would adversely impact our business, financial condition and results of operations. In addition, our contracts with airline partners from which derive a majority of our CA business revenue allow for termination rights if the percentage of passengers using connectivity aboard their flights falls below certain thresholds.

The demand for in-flight broadband Internet access service may decrease or develop more slowly than we expect. We cannot predict with certainty the development of the U.S. or international in-flight broadband internet access market or the market acceptance for our products and services.

Our future success depends upon growing demand for in-flight broadband Internet access services, which is inherently uncertain. We have invested significant resources towards the roll-out of new service offerings, which represent a substantial part of our growth strategy. We face the risk that the U.S. and international markets for in-flight broadband Internet access services may decrease or develop more slowly or differently than we currently expect, or that our services, including our new offerings, may not achieve widespread market acceptance. We may be unable to market and sell our services successfully and cost-effectively to a sufficiently large number of customers.

Our business depends on the continued proliferation of Wi-Fi as a standard feature in mobile devices. The growth in demand for in-flight broadband Internet access services also depends in part on the continued and increased use of laptops, smartphones, tablet computers, and other Wi-Fi enabled devices and the rate of evolution of data-intensive applications on the mobile Internet. If Wi-Fi ceases to be a standard feature in mobile devices, if the rate of integration of Wi-Fi on mobile devices decreases or is slower than expected, or if the use of Wi-Fi enabled devices or development of related applications decreases or grows more slowly than anticipated, the market for our services may be substantially diminished.

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We have incurred operating losses in every quarter since we launched the Gogo service and may continue to incur quarterly operating losses, which could negatively affect our stock price.

We have incurred operating losses in every quarter since we launched the Gogo service in August 2008, and we may not be able to generate sufficient revenue in the future to generate operating income. We also expect our costs to increase materially in future periods, which could negatively affect our future operating results. We expect to continue to expend substantial financial and other resources on the continued roll-out of our technology roadmap and international expansion. The amount and timing of these costs are subject to numerous variables and such initiatives may require additional funding. Such variables include, for our technology roadmap, the availability of and costs associated with the licensing of additional spectrum, the timely and successful roll-out of ATG-4 and 2Ku, and the timing of the roll-out of other technologies in the future, as well as costs incurred to develop and implement changes to ground and airborne software and hardware, costs associated with subsidizing our airline partners’ equipment purchases, including upgrades to ATG-4 or other contractually obligated upgrades to our connectivity services and, with respect to satellite technologies, the cost of obtaining satellite capacity. In addition, we may incur significant costs in connection with our pursuit of a next generation air to ground technology or other new technologies not included in our current roadmap. With respect to our international expansion, such variables may include, in addition to costs associated with satellite technology as discussed in the preceding sentence, costs incurred to modify our portal for international deployment, costs related to sales and marketing activities and administrative support functions, equipment subsidies to airlines and additional legal and regulatory expenses associated with operating in the international commercial aviation market. In addition, we expect to incur additional general and administrative expenses, including legal and accounting expenses, related to being a public company. These investments may not result in increased revenue or growth in our business. If we fail to continue to grow our revenue and overall business, it could adversely affect our financial condition and results of operations.

We will likely need additional financing to execute our business plan or new initiatives, which we may not be able to secure on acceptable terms, or at all.

We will likely require additional financing in the near or long term to fully execute our business plan, including our technology roadmap, international or domestic expansion plans or other changes. Our success may depend on our ability to raise such additional financing on reasonable terms and on a timely basis. The amount and timing of our capital needs will depend in part on the extent of deployment of the Gogo service, the rate of customer penetration, the adoption of our service by airline partners and other factors set forth above that could adversely affect our business. In addition, we are currently exploring various options with respect to developing and implementing a next generation air-to-ground technology and may actively consider from time to time other significant technological, strategic and operational initiatives. In order to execute on any of these initiatives, we would likely require additional financing. Conditions in the economy and the financial markets may make it more difficult for us to obtain necessary additional capital or financing on acceptable terms, or at all. If we cannot secure sufficient additional financing, we may be forced to forego strategic opportunities or delay, scale back or eliminate additional service deployment, operations and investments or employ internal cost savings measures.

Increased costs and other demands associated with our growth could impact our ability to achieve profitability over the long term and could strain our personnel, technology and infrastructure resources.

We expect our costs to increase in future periods, which could negatively affect our future operating results. We continue to experience growth in our headcount and operations, which has placed significant demands on our management, administrative, technological, operational and financial infrastructure. Anticipated future growth, including growth related to the broadening of our service offerings, the roll-out of the technology roadmap and other network enhancements and international expansion of our CA business, will require the outlay of significant operating and capital expenditures and will continue to place strains on our personnel, technology and infrastructure. Our success will depend in part upon our ability to contain costs with respect to growth

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opportunities. To successfully manage the expected growth of our operations, on a timely and cost-effective basis we will need to continue to improve our operational, financial, technological and management controls and our reporting systems and procedures. In addition, as we continue to grow, we must effectively integrate, develop and motivate a large number of new employees, and we must maintain the beneficial aspects of our corporate culture. If we fail to successfully manage our growth, it could adversely affect our business, financial condition and results of operations.

Adverse economic conditions may have a material adverse effect on our business.

Macro-economic challenges are capable of creating volatile and unpredictable environments for doing business. We cannot predict the nature, extent, timing or likelihood of any economic slowdown or the strength or sustainability of any economic recovery, worldwide, in the United States or in the airline industry. For many travelers, air travel and spending on in-flight Internet access are discretionary purchases that they can eliminate in difficult economic times. Additionally, a weaker business environment may lead to a decrease in overall business travel, which has historically been an important contributor to our Gogo service revenue. In addition, continued deteriorating conditions may place market or political pressure on the customers that are served by our BA segment to cut costs including by reducing use of private aircraft.

These conditions may make it more difficult or less likely for customers to purchase our equipment and services. If economic conditions in the United States or globally deteriorate further or do not show improvement, we may experience material adverse effects to our business, cash flow and results of operations.

Our operating results may fluctuate unpredictably and may cause us to fail to meet the expectations of investors, adversely affecting our stock price.

We operate in a highly dynamic industry and our future quarterly operating results may fluctuate significantly. Our revenue and operating results may vary from quarter to quarter due to many factors, many of which are not within our control. As a result, comparing our operating results on a period-to-period basis may not be meaningful. Further, it is difficult to accurately forecast our revenue, margin and operating results, and if we fail to match our expected results or the results expected by financial analysts or investors, the trading price of our common stock may be adversely affected.

In addition, due to generally lower demand for business travel during the summer months and holiday periods, and leisure and other travel at other times during the year, our quarterly results may not be indicative of results for the full year. Due to these and other factors, quarter-to-quarter comparisons of our historical operating results should not be relied upon as accurate indicators of our future performance.

If our marketing and advertising efforts fail to generate additional revenue on a cost-effective basis, or if we are unable to manage our marketing and advertising expenses, it could harm our results of operations and growth.

Our future growth and profitability, as well as the maintenance and enhancement of our important brands, including Gogo, will depend in large part on the effectiveness and efficiency of our marketing and advertising expenditures. We use a diverse mix of television, print, trade show and online marketing and advertising programs to promote our CA and BA businesses. Significant increases in the pricing of one or more of our marketing and advertising channels could increase our expenses or cause us to choose less expensive, but potentially less effective, marketing and advertising channels. In addition, to the extent we implement new marketing and advertising strategies, we may in the future have significantly higher expenses. We have incurred, and may in the future incur, marketing and advertising expenses significantly in advance of the time we anticipate recognizing revenue associated with such expenses, and our marketing and advertising expenditures may not continue to result in increased revenue or generate sufficient levels of brand awareness. If we are unable to maintain our marketing and advertising channels on cost-effective terms or replace existing marketing and

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advertising channels with similarly effective channels, our marketing and advertising expenses could increase substantially, our customer levels could be affected adversely, and our business, financial condition and results of operations may suffer.

In addition, our expanded marketing efforts may increase our customer acquisition cost. For example, our decision to expand our international marketing and advertising efforts could lead to a significant increase in our marketing and advertising expenses. Any of these additional expenses may not result in sufficient customer growth to offset cost, which would have an adverse effect on our business, financial condition and results of operations.

Our possession and use of personal information and the use of credit cards by our customers present risks and expenses that could harm our business. Unauthorized disclosure or manipulation of such data, whether through breach of our network security or otherwise, could expose us to costly litigation and damage our reputation.

Maintaining our network security is of critical importance because our online systems store confidential registered user, employee and other sensitive data, such as names, email addresses, addresses and other personal information. We depend on the security of our networks and, in part, on the security of the network infrastructures of our third-party telecommunications service providers, our customer support providers, our payment processors, and our other vendors. Unauthorized use of our, or our third-party service providers’, networks, computer systems and services could potentially jeopardize the security of confidential information, including credit card information, of our customers. There can be no assurance that any security measures we, or third parties, take will be effective in preventing these activities. As a result of any such breaches, customers may assert claims of liability against us as a result of any failure by us to prevent these activities. Further, our in-cabin network operates as an open, unsecured Wi-Fi hotspot, and non-encrypted transmissions users send over this network may be vulnerable to access by users on the same plane. These activities may subject us to legal claims, adversely impact our reputation, and interfere with our ability to provide our services, all of which could have a material adverse effect on our business prospects, financial condition and results of operations.

Failure to protect confidential customer data or to provide customers with adequate notice of our privacy policies could also subject us to liabilities imposed by United States federal and state regulatory agencies or courts. For example, the Federal Trade Commission (“FTC”) could assert jurisdiction to impose penalties if it found our privacy policies or security measures to be inadequate under existing federal law. We could also be subject to certain state laws that impose data breach notification requirements, specific data security obligations, or other consumer privacy-related requirements. Our failure to comply with any of these rules or regulations could have an adverse effect on our business, financial condition and results of operations.

We also must comply with the FCC’s Customer Proprietary Network Information rules, applicable to some of our BA offerings, which require us to comply with a range of marketing and privacy safeguards. As noted above, on February 26, 2015, the FCC adopted an order which reclassified mobile (and fixed) broadband Internet access services as Title II telecommunications services. The order indicated that the FCC will initiate a separate rulemaking proceeding to update its CPNI rules to impose additional requirements specifically on broadband Internet access services. Until the new rules are adopted, we cannot know their effect on our business.

Other countries in which we may operate or from which our services may be offered, including those in the European Union, also have certain privacy and data security requirements that may apply to our business, either now or in the future. These countries’ laws may in some cases be more stringent than the requirements in the United States. For example, European Union member countries have specific requirements relating to cross-border transfers of personal information to certain jurisdictions, including to the United States. In addition, some countries have more strict consumer notice and/or consent requirements relating to personal information collection, use or sharing. Moreover, international privacy and data security regulations may become more complex. For example, the European Union is considering a draft proposed data protection regulation which may

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result in even more restrictive privacy-related requirements. Our failure to comply with other countries’ privacy or data security-related laws, rules or regulations could also have an adverse effect on our business, financial condition and results of operations.

In addition, substantially all connectivity customers use credit cards to purchase our products and services. Problems with our or our vendors billing software could adversely affect our customer satisfaction and could cause one or more of the major credit card companies to disallow our continued use of their payment services. In addition, if our billing software fails to work properly and, as a result, we do not automatically charge our subscribers’ credit cards on a timely basis or at all, our business, financial condition and results of operations could be adversely affected.

We depend upon third parties to manufacture equipment components, provide services for our network and install our equipment.

We rely on third-party suppliers for equipment components and services that we use to provide our ATG and satellite telecommunication Wi-Fi services. The supply of third party components and services could be interrupted or halted by a termination of our relationships, a failure of quality control or other operational problems at such suppliers or a significant decline in their financial condition. We also rely on a third party to provide the links between our data centers and our ground network. If we are not able to continue to engage suppliers with the capabilities or capacities required by our business, or if such suppliers fail to deliver quality products, parts, equipment and services on a timely basis consistent with our schedule, our business prospects, financial condition and results of operations could be adversely affected. See also “—We rely on single source service providers for certain critical components of our networks and operations.”

In our CA business, installation of our ATG and satellite equipment is performed by employees of third party service providers with whom we contract, and, in a number of cases, our airline partners have the right to elect to have their own employees or a third-party service provider of their choice install our equipment directly. In our BA segment, installation of our equipment is performed by the OEMs or dealers who purchase our equipment. Having third parties or our customers install our equipment reduces our control over the installation process, including the timeliness and quality of the installation. If there is an equipment failure, including due to problems with the installation process, our reputation and our relationships with our customers could be harmed. The passenger jets operated by our airline partners are very costly to repair and therefore damages in any claims related to faulty installation could be material. Additionally, we may be forced to pay significant remediation costs to cover equipment failure due to installation problems and we may not be able to be indemnified for a portion or all of these costs.

We may fail to recruit, train and retain the highly skilled employees that are necessary to remain competitive and execute our growth strategy. The loss of one or more of our key personnel could harm our business.

Competition for key technical personnel in high-technology industries such as ours is intense. We believe that our future success depends in large part on our continued ability to hire, train, retain and leverage the skills of qualified engineers and other highly skilled personnel needed to maintain and grow our ATG and satellite networks and related technology and develop and successfully deploy our technology roadmap and new wireless telecommunications products and technology. We may not be as successful as our competitors at recruiting, training, retaining and utilizing these highly skilled personnel. In particular, we may have more difficulty attracting or retaining highly skilled personnel during periods of poor operating performance. Any failure to recruit, train and retain highly skilled employees could negatively impact our business and results of operations.

We depend on the continued service and performance of our key personnel, including Michael Small, our President and Chief Executive Officer. Such individuals have acquired specialized knowledge and skills with respect to Gogo and its operations. As a result, if any of these individuals were to leave Gogo, we could face

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substantial difficulty in hiring qualified successors and could experience a loss of productivity while any such successor obtains the necessary training and expertise. We do not maintain key man insurance on any of our officers or key employees. In addition, much of our key technology and systems are custom-made for our business by our personnel. The loss of key personnel, including key members of our management team, as well as certain of our key marketing or technology personnel, could disrupt our operations and have an adverse effect on our ability to grow our business.

We believe our business depends on strong brands, and if we do not maintain and enhance our brand, our ability to gain new customers and retain customers may be impaired.

We believe that our brands are a critical part of our business. We collaborate extensively with our airline partners on the look and feel of the in-flight homepage that their passengers encounter when logging into the Gogo service in flight. In order to maintain strong relationships with our airline partners, we may have to reduce the visibility of the Gogo brand or make other decisions that do not promote and maintain the Gogo brand. In addition, many of our trademarks contain words or terms having a somewhat common usage and, as a result, we may have trouble registering or protecting them in certain jurisdictions, for example, the domain www.gogo.com is not owned by us. If we fail to promote and maintain the “Gogo^®” brand, or if we incur significant expenses to promote the brands and are still unsuccessful in maintaining strong brands, our business prospects, financial condition and results of operations may be adversely affected.

Businesses or technologies we acquire could prove difficult to integrate, disrupt our ongoing business, dilute stockholder value or have an adverse effect on our results of operations.

As part of our business strategy, we may engage in acquisitions of businesses or technologies to augment our organic or internal growth. We do not have any meaningful experience with integrating and managing acquired businesses or assets. Acquisitions involve challenges and risks in negotiation, execution, valuation and integration. Moreover, we may not be able to find suitable acquisition opportunities on terms that are acceptable to us. Even if successfully negotiated, closed and integrated, certain acquisitions may not advance our business strategy, may fall short of expected return-on-investment targets or may fail. Any future acquisition could involve numerous risks, including:

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In the event we enter into any acquisition agreements, closing of the transactions could be delayed or prevented by regulatory approval requirements, including antitrust review, or other conditions. We may not be successful in addressing these risks or any other problems encountered in connection with any attempted acquisitions, and we could assume the economic risks of such failed or unsuccessful acquisitions.

Difficulties in collecting accounts receivable could have a material effect on our results of operations.

The provision of equipment to our airline partners involves significant accounts receivable attributable to equipment receivables, which may not be settled on a timely basis. The large majority of our service revenue in our CA business is generated from credit card transactions and credit card accounts receivable are typically settled between one and three business days. Service and equipment revenues in our BA segment are directly billed to customers. Difficulties in enforcing contracts, collecting accounts receivables or longer payment cycles could lead to material fluctuations in our cash flows and could adversely affect our business, operating results and financial condition.

Expenses or liabilities resulting from litigation could adversely affect our results of operations and financial condition.

From time to time, we may be subject to claims or litigation in the ordinary course of our business, including for example, claims related to employment matters and class action lawsuits. Our operations are characterized by the use of new technologies and services across multiple jurisdictions that implicate a number of statutory schemes and a range of rules and regulations that may be subject to broad or creative interpretation, which may subject us to litigation, including class action lawsuits, the outcome of which may be difficult to assess or quantify due to the potential ambiguity inherent in these regulatory schemes and/or the nascency of our technologies and services. Plaintiffs in these types of litigation may seek recovery of very large or indeterminate amounts, and the magnitude of the potential loss relating to such lawsuits may remain unknown for substantial periods of time. Any such claims or litigation may be time-consuming and costly, divert management resources, require us to change our products and services, or have other adverse effects on our business. Any of the foregoing could have a material adverse effect on our results of operations and could require us to pay significant monetary damages. In addition, costly and time consuming litigation could be necessary to enforce our existing contracts and, even if successful, could have an adverse effect on us. In addition, prolonged litigation against any airline partner, customer or supplier could have the effect of negatively impacting our reputation and goodwill with existing and potential airline partners, customers and suppliers.

Risks Related to Our Indebtedness

We and our subsidiaries may incur additional debt in the future, which could substantially reduce our profitability, limit our ability to pursue certain business opportunities and reduce the value of your investment.

As of December 31, 2015, we had total consolidated indebtedness of approximately $663.4 million, including $301.5 million of debt outstanding under the amended senior secured credit facility (the “Amended and Restated Senior Term Facility”) and $361.9 million outstanding of our 3.75% convertible senior notes due 2020 (the “Convertible Notes”). Subject to certain limitations set forth in the Amended and Restated Senior Term Facility, we or our subsidiaries may incur additional debt in the future, which could increase the risks described below and lead to other risks. The amount of our debt or such other obligations could have important consequences for holders of our common stock, including, but not limited to:

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Our Amended and Restated Senior Term Facility contains financial and operating covenants and restrictions that limit our operations and could lead to adverse consequences if we fail to comply with them.

The Amended and Restated Senior Term Facility contains certain financial and operating covenants and other restrictions relating to, among other things, limitations on indebtedness (including guarantees of additional indebtedness) and liens, mergers, consolidations and dissolutions, sales of assets, investments and acquisitions, dividends and other restricted payments, repurchase of shares of capital stock and options to purchase shares of capital stock and certain transactions with affiliates. Additionally, depending on the leverage ratio of our BA segment, up to 50% of that segment’s annual excess cash flow may be required to be used to repay principal under the Amended and Restated Senior Term Facility and, as a result, will not be available for investment in our business, including required expenditures and investments in our CA-NA or CA-ROW segments.

Failure to comply with these financial and operating covenants could result from, among other things, changes in our results of operations, the incurrence of additional indebtedness or changes in general economic conditions, which may be beyond our control. The breach of any of these covenants or restrictions could result in a default under the Amended and Restated Senior Term Facility that would permit the lenders to declare all amounts outstanding thereunder to be due and payable, together with accrued and unpaid interest. If we are unable to repay such amounts, lenders having secured obligations could proceed against the collateral securing these obligations. The collateral includes the capital stock of our domestic subsidiaries, 65% of the capital stock of our foreign subsidiaries and substantially all of our and our subsidiaries’ other tangible and intangible assets, subject in each case to certain exceptions. This could have serious consequences on our financial condition and results of operations and could cause us to become bankrupt or otherwise insolvent. In addition, these covenants may restrict our ability to engage in transactions that we believe would otherwise be in the best interests of our business and stockholders.

See “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Liquidity and Capital Resources—Amended and Restated Senior Term Facility” for additional information about the financial and operating covenants set forth in the Amended and Restated Senior Term Facility and also the Amended and Restated Senior Term Facility generally.

Increases in interest rates would increase the cost of servicing our debt and could reduce our profitability.

Our debt outstanding under the Amended and Restated Senior Term Facility bears interest at variable rates. As a result, increases in interest rates would increase the cost of servicing our debt and could materially reduce our profitability and cash flows.

We may have future capital needs and may not be able to obtain additional financing to fund our capital needs on acceptable terms, or at all.

Prior to our initial public offering (“IPO”), we relied primarily on private placements of our equity securities to fund our operations, capital expenditures and expansion. Since the IPO, we have obtained debt financing through our entry into the Amended and Restated Senior Term Facility and issuance of Convertible Notes. The

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market conditions and the macroeconomic conditions that affect the markets in which we operate could have a material adverse effect on our ability to secure financing on acceptable terms, if at all. We may be unable to secure additional financing on favorable terms or at all or our operating cash flow may be insufficient to satisfy our financial obligations under the indebtedness outstanding from time to time. The terms of additional financing may limit our financial and operating flexibility. Our ability to satisfy our financial obligations will depend upon our future operating performance, the availability of credit generally, economic conditions and financial, business and other factors, many of which are beyond our control. Furthermore, if financing is not available when needed, or is not available on acceptable terms, we may be unable to take advantage of business opportunities or respond to competitive pressures, any of which could have a material adverse effect on our business, financial condition and results of operations. Even if we are able to obtain additional financing, we may be required to use the proceeds from any such financing to repay a portion of our outstanding debt.

We have from time to time evaluated, and we continue to evaluate, our potential capital needs in light of increasing demand for our services, limitations on bandwidth capacity and generally evolving technology in our industry. We may utilize one or more types of capital raising in order to fund any initiative in this regard, including the issuance of new equity securities and new debt securities, including debt securities convertible into our common stock. If we raise additional funds through further issuances of equity, convertible debt securities or other securities convertible into equity, our existing stockholders could suffer significant dilution in their percentage ownership of our company. In addition, any new securities we issue could have rights, preferences and privileges senior to those of holders of our common stock, and we may grant holders of such securities rights with respect to the governance and operations of our business. If we are unable to obtain adequate financing or financing on terms satisfactory to us, if and when we require it, our ability to grow or support our business and to respond to business challenges could be significantly limited.

We may not have sufficient cash flow or the ability to raise the funds necessary to settle conversions of the Convertible Notes, to repay the Convertible Notes at maturity or to purchase the Convertible Notes upon a fundamental change, and our future debt may contain limitations on our ability to pay cash upon conversion or repurchase of the Convertible Notes.

Holders of the Convertible Notes will have the right to require us to purchase their Convertible Notes upon the occurrence of a fundamental change at a purchase price equal to 100% of the principal amount of the Convertible Notes to be purchased, plus accrued and unpaid interest, if any, to, but not including, the fundamental change purchase date. In addition, in the event the conditional conversion feature of the Convertible Notes is triggered, holders of the Convertible Notes will be entitled to convert the Convertible Notes at any time during specified periods at their option. Upon conversion of the Convertible Notes, we will be required to make cash payments in respect of the Convertible Notes being converted, unless we elect to deliver solely shares of our common stock to settle such conversion (other than cash in lieu of any fractional share). Moreover, we will be required to repay the Convertible Notes in cash at their maturity, unless earlier converted or repurchased. We may not have enough available cash or be able to obtain financing at the time we are required to make purchases of Convertible Notes surrendered therefor, repay the Convertible Notes at maturity or Convertible Notes being converted. In addition, our ability to purchase the Convertible Notes or to pay cash upon conversions of the Convertible Notes may be restricted by law, by regulatory authority or by agreements governing our future indebtedness.

Our failure to purchase Convertible Notes required by the indenture governing the Convertible Notes or to pay cash payable upon future conversions of the Convertible Notes as required by the indenture governing the Convertible Notes would constitute a default under the indenture governing the Convertible Notes. A default under the indenture governing the Convertible Notes or the fundamental change itself could also lead to a default under the agreements governing our other indebtedness and the acceleration of amounts outstanding thereunder, including the Amended and Restated Senior Term Facility. If the repayment of the related indebtedness were to be accelerated after any applicable notice or grace periods, we may not have sufficient funds to repay the

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indebtedness and purchase the Convertible Notes or make cash payments upon conversions thereof. A default under the indenture governing the Convertible Notes could have serious consequences on our financial condition and results of operations and could cause us to become bankrupt or otherwise insolvent.

Risks Relating to Our Common Stock

The price of our common stock may be volatile and the value of your investment could decline.

The trading price of our common stock has been volatile since our IPO, which occurred on June 21, 2013 and in which shares of common stock were sold at a price of $17.00 per share. From the IPO date through February 16, 2016, the price of our common stock has ranged from a closing low of $9.98 per share to a closing high of $34.34 per share. In addition to the factors discussed in this Annual Report, the trading price of our common stock may fluctuate widely in response to various factors, many of which are beyond our control. They include:

In addition, the stock markets have experienced extreme price and volume fluctuations in recent years that have affected and continue to affect the market prices of equity securities of many technology companies. Stock

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prices of many such companies have fluctuated in a manner unrelated or disproportionate to the operating performance of those companies. These broad market fluctuations may adversely affect the trading price of our common stock. In the past, following periods of volatility in the market price of a company’s securities, class action litigation has often been instituted against such company. Any litigation of this type brought against us could result in substantial costs and a diversion of our management’s attention and resources, which would harm our business, operating results and financial condition.

Adjustments by holders of the Convertible Notes of their hedging positions in our common stock and the forward stock purchase transactions may have a negative effect on the market price of our common stock.

Any buying or selling of shares of our common stock by holders of the Convertible Notes to establish or adjust hedged positions with respect to our common stock may affect the market price of our common stock. In addition, the existence of the Convertible Notes may also encourage short selling by market participants because any conversions of the Convertible Notes could depress our common stock price. The price of our common stock could be affected by possible sales of our common stock by investors who view the Convertible Notes as a more attractive means of equity participation in us and by hedging or arbitrage trading activity which we expect to occur involving our common stock.

In addition, in connection with the issuance of the Convertible Notes, we entered into privately negotiated prepaid forward stock purchase transactions (the “Forward Transactions”) with certain financial institutions (the “Forward Counterparties”). The Forward Transactions are generally expected to facilitate privately negotiated derivative transactions, including swaps, between the Forward Counterparties and investors in the Convertible Notes relating to shares of our common stock by which investors in the Convertible Notes will establish short positions relating to shares of our common stock and otherwise hedge their investments in the Convertible Notes. The maturity date of such Forward Transactions is on or around March 1, 2020, the maturity date for the Convertible Notes. Such investors may enter into other transactions in connection with or in addition to such derivative transactions, including the purchase or sale of shares of our common stock. As a result of the existence of the Forward Transactions, such derivative transactions and any related market activity could cause more purchases or sales of shares of our common stock over the term of the Forward Transactions than there otherwise would have been had we not entered into the Forward Transactions. Such purchases or sales could potentially increase (or reduce the size of any decrease in) or decrease (or reduce the size of any increase in) the market price of our common stock.

Additionally, the Forward Counterparties (or their respective affiliates) are likely to modify their hedge positions in respect of the Forward Transactions by entering into or unwinding various derivative transactions with respect to shares of our common stock and/or by purchasing the shares of common stock or other securities of ours in secondary market transactions prior to maturity of the Forward Transactions (and are likely to do so during the final valuation period under the Forward Transactions and on or around any election by a Forward Counterparty to settle all of a portion of its Forward Transaction early). The effect, if any, of any of these transactions and activities on the market price of our common stock will depend in part on market conditions and cannot be ascertained at this time, but any of these activities could adversely affect the value of our common stock.

The Forward Counterparties are financial institutions, and we will be subject to the risk that any or all of them might default under the Forward Transactions. Our exposure to the credit risk of the Forward Counterparties is not secured by any collateral. Global economic conditions have in the recent past resulted in, and may again result in, the actual or perceived failure or financial difficulties of many financial institutions. If a Forward Counterparty becomes subject to insolvency proceedings, we will become an unsecured creditor in those proceedings, with a claim equal to our exposure at that time under our transactions with that Forward Counterparty. Our exposure will depend on many factors, but, generally, an increase in our exposure will be

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correlated to an increase in the market price of our common stock. In addition, upon a default by a Forward Counterparty, we may suffer more dilution than we currently anticipate with respect to our common stock.

Conversion of the Convertible Notes may dilute the ownership interest of existing stockholders or may otherwise depress the price of our common stock.

The conversion of some or all of the Convertible Notes may dilute the ownership interests of existing stockholders to the extent we deliver shares upon conversion of any of the Convertible Notes. Any sales in the public market of the common stock issuable upon such conversion could adversely affect prevailing market prices of our common stock. In addition, the existence of the Convertible Notes may encourage short selling by market participants because the conversion of the Convertible Notes could be used to satisfy short positions. In addition, the anticipated conversion of the Convertible Notes into shares of our common stock could depress the price of our common stock.

Future stock issuances could cause substantial dilution and a decline in our stock price.

We may issue additional shares of common stock or other equity or debt securities convertible into common stock in connection with a financing, acquisition, litigation, settlement or employee arrangement or otherwise. In addition, a substantial number of shares of our common stock are reserved for issuance upon the exercise of stock options and other equity incentives and the conversion of Convertible Notes. We may reserve additional shares of our common stock for issuance upon the exercise of stock options or other similar forms of equity incentives. We cannot predict the size of future issuances or the effect, if any, that they may have on the market price for our common stock. Any of these issuances could result in substantial dilution to our existing stockholders and could cause the trading price of our common stock to decline.

If securities or industry analysts do not publish research or publish misleading or unfavorable research about our business, our stock price and trading volume could decline.

The trading market for our common stock depends in part on the research and reports that securities or industry analysts publish about us or our business. If securities or industry analysts covering Gogo downgrade our stock or publish misleading or unfavorable research about our business, our stock price would likely decline. If one or more of these analysts ceases coverage of our company or fails to publish reports on us regularly, demand for our stock could decrease, which could cause our stock price or trading volume to decline.

Our significant stockholder could exert influence over our company, and if the ownership of our common stock continues to be concentrated, or becomes more concentrated in the future, it could prevent our other stockholders from influencing significant corporate decisions.

As of December 31, 2015, Oakleigh Thorne and the entities affiliated with Mr. Thorne (“Thorne Entities”) beneficially own approximately 30% of the outstanding shares of our common stock. As a result, the Thorne Entities will be able to exercise influence over all matters requiring stockholder approval for the foreseeable future, including approval of significant corporate transactions, which may reduce the market price of our common stock.

The interests of the Thorne Entities may conflict with the interests of our other stockholders. Our corporate governance guidelines address potential conflicts between a director’s interests and our interests, and our code of business conduct, among other things, requires our employees and directors to avoid actions or relationships that might conflict or appear to conflict with their job responsibilities or our interests and to disclose their outside activities, financial interests or relationships that may present a possible conflict of interest or the appearance of a conflict to management or corporate counsel. These corporate governance guidelines and code of business ethics do not, by themselves, prohibit transactions with the Thorne Entities.

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Fulfilling our obligations incident to being a public company, including with respect to the requirements of and related rules under the Sarbanes-Oxley Act of 2002 (“Sarbanes-Oxley”), is expensive and time-consuming, and any delays or difficulties in satisfying these obligations could have a material adverse effect on our future results of operations and our stock price.

As a public company, Sarbanes-Oxley and the related rules and regulations of the SEC, as well as Nasdaq rules, require us to implement various corporate governance practices and adhere to a variety of reporting requirements and complex accounting rules. Compliance with these public company obligations requires us to devote significant time and resources and places significant additional demands on our finance and accounting staff and on our financial accounting and information systems. We have hired additional accounting and financial staff with appropriate public company reporting experience and technical accounting knowledge. Other expenses associated with being a public company include increased auditing, accounting and legal fees and expenses, investor relations expenses, increased directors’ fees and director and officer liability insurance costs, registrar and transfer agent fees and listing fees, as well as other expenses.

We are required under Sarbanes-Oxley to document and test the effectiveness of our internal control over financial reporting, and our independent registered public accounting firm is required to provide an attestation report on the effectiveness of our internal control over financial reporting. In addition, we are required under the Exchange Act, to maintain disclosure controls and procedures and internal control over financial reporting. Any failure to maintain effective controls or implement required new or improved controls, or difficulties encountered in their implementation, could harm our operating results or cause us to fail to meet our reporting obligations. If we are unable to conclude that we have effective internal control over financial reporting, or if our independent registered public accounting firm is unable to provide us with an unqualified report regarding the effectiveness of our internal control over financial reporting, investors could lose confidence in the reliability of our financial statements. This could result in a decrease in the value of our common stock. Failure to comply with Sarbanes-Oxley could potentially subject us to sanctions or investigations by the SEC, Nasdaq, or other regulatory authorities.

Anti-takeover provisions in our charter documents and Delaware law, and certain provisions in our existing and any future credit facility could discourage, delay or prevent a change in control of our company and may affect the trading price of our common stock.

Our amended and restated certificate of incorporation and amended and restated bylaws include a number of provisions that may discourage, delay or prevent a change in our management or control over us that stockholders may consider favorable. These provisions include:

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These provisions may prevent our stockholders from receiving the benefit from any premium to the market price of our common stock offered by a bidder in a takeover context. Even in the absence of a takeover attempt, the existence of these provisions may adversely affect the prevailing market price of our common stock if the provisions are viewed as discouraging takeover attempts in the future.

Our amended and restated certificate of incorporation and amended and restated bylaws may also make it difficult for stockholders to replace or remove our management. These provisions may facilitate management entrenchment that may delay, deter, render more difficult or prevent a change in our control, which may not be in the best interests of our stockholders.

The fundamental change repurchase feature of the Convertible Notes may delay or prevent an otherwise beneficial attempt to take over our company.

The terms of the Convertible Notes require us to repurchase the Convertible Notes in the event of a fundamental change. A takeover of our company would trigger an option of the holders of the Convertible Notes to require us to repurchase the Convertible Notes. This may have the effect of delaying or preventing a takeover of our company that would otherwise be beneficial to our stockholders.

We do not intend to pay dividends on our common stock for the foreseeable future.

We have never declared or paid cash dividends on our capital stock. We currently intend to retain any future earnings to finance the operation and growth of our business, and we do not expect to declare and pay any dividends on our common stock for the foreseeable future. In addition, our operations are conducted almost entirely through our subsidiaries. Accordingly, to the extent that we determine to pay dividends on our common stock, none of our subsidiaries will be obligated to make funds available to us for the payment of dividends. Furthermore, Delaware law may impose requirements that may restrict our ability to pay dividends to holders of our common stock.

Our corporate charter and bylaws include provisions limiting ownership by non-U.S. citizens, including the power of our board of directors to redeem shares of our common stock from non-U.S. citizens.

The Communications Act and FCC regulations impose restrictions on foreign ownership of FCC licensees, as described in the above risk factor, “—If we fail to comply with the Communications Act and FCC regulations limiting ownership and voting of our capital stock by non-U.S. persons we could lose our FCC license.” Our corporate charter and bylaws include provisions that permit our board of directors to take certain actions in order to comply with FCC regulations regarding foreign ownership, including but not limited to, a right to redeem shares of common stock from non-U.S. citizens at prices at or below fair market value. Non-U.S. citizens should consider carefully the redemption provisions in our certificate of incorporation prior to investing in our common stock.

These restrictions may also decrease the liquidity and value of our stock by reducing the pool of potential investors in our company and making the acquisition of control of us by third parties more difficult. In addition, these restrictions could adversely affect our ability to attract equity financing or consummate an acquisition of a foreign entity using shares of our capital stock.

Regulations related to conflict minerals may force us to incur additional expenses and may make our supply chain more complex.

We are subject to the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010, which requires us to diligence, disclose and report whether or not our products contain certain minerals and metals, known as “conflict minerals.” These new requirements could adversely affect the sourcing, availability and pricing of certain of the materials used in the manufacture of components in our products and equipment. In addition, we will incur additional costs to comply with the disclosure requirements, including costs related to conducting diligence procedures to determine the sources of conflict minerals that may be used or necessary to the production of our products and, if applicable, potential changes to products, processes or sources of supply as a consequence of such verification activities.

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None.

Currently, we lease approximately 259,207 square feet for our CA business and corporate headquarters in Chicago, Illinois, under a lease agreement that expires in 2028. We also lease approximately 25,888 square feet for our CA manufacturing facility in Bensenville, Illinois under a lease agreement that expires on August 31, 2019. Additionally, our lease for our BA business in Broomfield, Colorado is for 111,877 square feet and expires on August 31, 2026. We believe our facilities will be adequate for the foreseeable future.

On February 25, 2014, Adam Berkson filed suit against us in the United States District Court for the Eastern District of New York, on behalf of putative classes of national purchasers and a subclass of New York purchasers of our connectivity service, alleging that we violated New York and other consumer protection laws, as well as an implied covenant of good faith and fair dealing, by misleading consumers about recurring charges for our service. The suit seeks unspecified damages. In May 2014, we filed motions to compel arbitration and dismiss the suit, moving in the alternative to transfer venue and/or dismiss for lack of standing. In April 2015, the court denied our motions in their entirety, and in May 2015, we filed notice of appeal to the United States Court of Appeals for the Second Circuit. In October 2015, we and representatives of the putative classes entered into a settlement agreement under which eligible class members would be entitled to receive agreed-upon amounts of complimentary Gogo connectivity service and we would be responsible for claims administration costs and plaintiffs’ legal fees. The estimated cost of the contemplated settlement is not material. The settlement was preliminarily approved by the court in December of 2015. A fairness hearing is set for April 4, 2016 where the judge will decide on final approval of the settlement.

On January 29, 2016, Charles Salameno, Maria-Angela Sanzone and John Jensen filed suit against us in the United States District Court for the Eastern District of New York, on behalf of a putative class of national purchasers and a subclass of New York purchasers of our connectivity service, alleging violations of New York and other consumer protection laws, unjust enrichment, fraud and breach of contract arising from alleged false statements in our marketing materials and alleged data security issues arising from our network design and certain network practices. The suit seeks unspecified damages. We have not accrued any liability related to this matter because, due to the early stage of the litigation, the strength of our defenses and a range of possible loss, if any, cannot be determined. Based on currently available information, we believe that we have strong defenses and intend to defend this lawsuit vigorously, but the outcome of this matter is inherently uncertain and may have a material adverse effect on our financial position, results of operations and cash flows.

On February 12, 2016, American Airlines filed a declaratory judgment action in Tarrant County, Texas seeking the Court’s declaration that American Airlines had complied with a notice provision in its contract with Gogo. On February 22, 2016, American Airlines dismissed the action without prejudice.

In addition to the matters discussed above, from time to time we may become involved in legal proceedings arising in the ordinary course of our business. We cannot predict with certainty the outcome of any litigation or the potential for future litigation. Regardless of the outcome of any particular litigation and the merits of any particular claim, litigation can have a material adverse impact on our company due to, among other reasons, any injunctive relief granted, which could inhibit our ability to operate our business, amounts paid as damages or in settlement of any such matter, diversion of management resources and defense costs.

Not applicable.

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Part II

Market Information for Common Stock

Our common stock has been listed on the NASDAQ Global Select Market (“NASDAQ”) under the symbol “GOGO” since June 21, 2013. Prior to that time, there was no public market for our common stock. The following table sets forth for the indicated periods the high and low intra-day sales prices per share for our common stock on the NASDAQ.

Holders of Record

As of January 29, 2016, there were 119 stockholders of record of our common stock, and the closing price of our common stock was $14.28 per share as reported on the NASDAQ. Because many of our shares of common stock are held by brokers and other institutions on behalf of stockholders, we are unable to estimate the total number of stockholders represented by these record holders.

Dividend Policy

We have never declared or paid any cash dividend on our common stock. We intend to retain any future earnings and do not expect to pay dividends in the foreseeable future. In addition, our credit facilities contain restrictions on our ability to pay dividends. See “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Liquidity and Capital Resources—Covenants” and Note 6, “Long-Term Debt and Other Liabilities” to our consolidated financial statements for the year ended December 31, 2015 included elsewhere in this Annual Report on Form 10-K.

Repurchases of Equity Securities

None.

Recent Sale of Unregistered Securities

None.

Use of Proceeds from Registered Securities

On June 20, 2013, our registration statement on Form S-1 (File No. 333-178727) was declared effective by the Securities and Exchange Commission (“SEC”) for our IPO, pursuant to which we sold an aggregate of 11,000,000 shares of our common stock at a price of $17.00 per share, resulting in net proceeds to us of $170.3 million after deducting underwriting discounts and commissions and other offering expenses. There has been no material change in the planned use of proceeds from our IPO as described in our prospectus filed with the SEC on June 24, 2013 pursuant to Rule 424(b).

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Securities Authorized for Issuance Under Equity Compensation Plans

See Item 12, “Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters” for information regarding securities authorized for issuance.

Performance

This performance graph shall not be deemed “soliciting material” or to be “filed” with the SEC for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities under that Section, and shall not be deemed to be incorporated by reference into any filing of Gogo Inc. under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act.

The following graph shows a comparison of cumulative total return for our common stock, the Standard & Poor’s 500 Stock Index (“S&P 500”) and the Nasdaq Composite Index (“NASDAQ Composite”) for the period from June 21, 2013 (the date our common stock commenced trading on the NASDAQ) through December 31, 2015, the last trading day of 2015. The graph assumes that $100 was invested at the market close on June 21, 2013 in our common stock, the S&P 500 and the NASDAQ Composite and assumes reinvestments of dividends, if any. The comparisons in the graph below are based upon historical data and are not indicative of, nor intended to forecast, future performance of our common stock.

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The following tables present selected historical financial data as of and for the periods indicated. You should read this information together with Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our consolidated financial statements and the related notes included in this Annual Report on Form 10-K.

The consolidated statement of operations data and other financial data for the years ended December 31, 2015, 2014 and 2013 and the consolidated balance sheet data as of December 31, 2015 and 2014 have been derived from our audited consolidated financial statements included in this Annual Report on Form 10-K. The consolidated statement of operations data and other financial data for the years ended December 31, 2012 and 2011 and the consolidated balance sheet data as of December 31, 2013, 2012 and 2011 have been derived from our audited consolidated financial statements not included in this Annual Report on Form 10-K. Our historical results are not necessarily indicative of our results to be expected in any future period.

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The following discussion and analysis is intended to help the reader understand our business, financial condition, results of operations, liquidity and capital resources. You should read this discussion in conjunction with our consolidated financial statements and the related notes contained in this Annual Report on Form 10-K.

The statements in this discussion regarding industry outlook, our expectations regarding our future performance, liquidity and capital resources and other non-historical statements in this discussion are forward-looking statements. These forward-looking statements are subject to numerous risks and uncertainties, including, but not limited to, the risks and uncertainties described under “Risk Factors” in this report. Our actual results may differ materially from those contained in or implied by any forward-looking statements.

Our fiscal year ends December 31 and, unless otherwise noted, references to years or fiscal are for fiscal years ended December 31. See “—Results of Operations.”

Company Overview

Gogo (“we”, “us”, “our”) is the global leader in providing broadband connectivity solutions and wireless in-flight entertainment to the aviation industry. We operate through the following three segments: Commercial Aviation North America, or “CA-NA,” Commercial Aviation Rest of World, or “CA-ROW,” and Business Aviation, or “BA.”

Services provided by our CA-NA and CA-ROW businesses include Passenger Connectivity, which allows passengers to connect to the Internet from their personal Wi-Fi-enabled devices; Passenger Entertainment, which offers passengers the opportunity to enjoy a broad selection of in-flight entertainment options on their personal Wi-Fi enabled devices; and Connected Aircraft Services (“CAS”) including among other things real-time credit card transaction processing, electronic flight bags and real-time weather information. Services are provided by the CA-NA business on commercial aircraft flying routes that generally begin and end within North America, which for this purpose includes the United States, Canada and Mexico. Our CA-ROW business, which is still in the start-up phase as we launched commercial international service in March 2014, provides service on commercial aircraft operated by foreign-based commercial airlines and flights outside of North America for North American based commercial airlines. The routes included in our CA-ROW segment are those that begin and/or end outside of North America (as defined above) for which our international service is provided. Our BA business provides in-flight Internet connectivity and other voice and data communications products and services and sells equipment for in-flight telecommunications to the business aviation market. BA services include Gogo Biz, our in-flight broadband service, Gogo Vision, our in-flight entertainment service, and satellite-based voice and data services through our strategic alliances with satellite companies.

Recent Developments

We signed a landmark multi-GHz capacity deal with SES that will provide capacity over North America, Central America and the Caribbean on SES’ high throughput satellites (“HTS”), with such satellites expected to be launched in 2017. This is one of the largest aviation-dedicated satellite capacity deals ever and will significantly increase our network capacity.

On February 4, 2016, we received a notification from American Airlines that it considers a competitor’s connectivity service to offer a material improvement over our ATG/ATG-4 service with respect to a portion of its fleet that we serve, representing approximately 200 of the 963 American Airlines aircraft that we served as of December 31, 2015. In accordance with our contractual rights and in an effort to secure the continued availability of our service on the portion of the American Airlines fleet to which the notice refers, we plan to submit a competing proposal to install our 2Ku service on such aircraft. See “Risk Factors—Risks Related to Our CA Business—We are dependent on agreements with our airline partners to be able to access the passengers.

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Payments by these passengers for our services have provided, and we expect will continue to provide, a significant portion of our revenue. Our failure to realize the anticipated benefits from these agreements on a timely basis or to renew any existing agreements upon expiration or termination could have a material adverse effect on our financial condition and results of operations.”

Japan Transocean Air, a member of Japan Airlines group, selected us to provide 2Ku in-flight connectivity and in-flight entertainment services for its new Boeing 737-800 aircraft. We are currently negotiating a definitive agreement with Japan Transocean Air.

Factors and Trends Affecting Our Results of Operations

We believe that our operating and business performance is driven by various factors that affect the commercial airline and business aviation industries, including trends affecting the travel industry and trends affecting the customer bases that we target, as well as factors that affect wireless Internet service providers and general macroeconomic factors. Key factors that may affect our future performance include:

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Summary Financial Information

Consolidated revenue was $500.9 million, $408.5 million and $328.1 million for the years ended December 31, 2015, 2014 and 2013, respectively. As of December 31, 2015, the CA-NA segment had 2,387 commercial aircraft online as compared with 2,098 as of December 31, 2014. As of December 31, 2015, the BA segment had 5,334 aircraft online with Iridium satellite communications systems and 3,477 Gogo Biz systems online as compared with 5,339 and 2,797, respectively, as of December 31, 2014. The BA segment became a reseller of Inmarsat SwiftBroadband satellite service in 2013 and had 120 systems online as of December 31, 2015 as compared with 38 systems online as of December 31, 2014. Our CA-ROW segment began providing connectivity service in March 2014 and had 202 aircraft online as of December 31, 2015 as compared with 85 aircraft online as of December 31, 2014.

Key Business Metrics

Our management regularly reviews a number of financial and operating metrics, including the following key operating metrics for the CA-NA and BA segments, to evaluate the performance of our business and our success in executing our business plan, make decisions regarding resource allocation and corporate strategies, and evaluate forward-looking projections. We have not presented CA-ROW financial and operating metrics as we do not believe they would be meaningful for the periods presented.

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Key Components of Consolidated Statements of Operations

The following briefly describes certain key components of revenue and expenses for the CA-NA, BA and CA-ROW segments, as presented in our consolidated statements of operations.

Revenue:

We generate two types of revenue through each of our operating segments: service revenue and equipment revenue.

Commercial Aviation North America:

Service revenue. Service revenue for the CA-NA segment, which currently represents substantially all of the CA-NA segment revenue, is derived from Passenger Connectivity, Passenger Entertainment and Connected Aircraft Services (“CAS”) related revenue. During the fourth quarter of 2015 we realigned and renamed our revenue categories. Passenger Connectivity was previously referred to as Gogo Connectivity Revenue, Passenger Entertainment was previously referred to as Gogo Vision, and CAS was previously referred to as operations oriented communication services.

Passenger Connectivity revenue includes connectivity services paid for by passengers, airlines and third parties.

Passenger paid revenue, previously referred to as retail revenue, represents purchases of individual sessions (which may be flight or time-based and include multiple individual session packages) and monthly and annual subscriptions.

Airline paid and third party paid revenue, previously combined and referred to as non-retail revenue, includes sponsorship revenue (Passenger Connectivity sold to third parties and airlines who sponsor free or discounted access to passengers) and our wholesale channel (Passenger Connectivity sold to third parties and airlines who in turn make Passenger Connectivity available through customer loyalty programs or as incentives directly to their customers). Airline paid revenue also includes Passenger Connectivity purchased for the use of airline flight crews (which was previously included in other service revenue) and connectivity sold directly to the airlines’ for their passengers use. Third party paid revenue also includes revenue generated through our enterprise channel (such as Passenger Connectivity sold through travel management companies), our roaming channel (Passenger Connectivity sold to ground based Wi-Fi Internet providers or gateways who resell to their customers), advertising fees and e-commerce revenue share arrangements.

Passenger Entertainment offerings include business-to-customer and business-to-business models. Under the business-to-customer model, we provide our entertainment service directly to airline passengers. We determine pricing, charge the passenger directly and remit a share of the revenue to the airline. In August 2014, we began providing our entertainment service through a business-to-business arrangement with one of our airline partners. Under this arrangement, our airline partner determines the pricing and pays us directly for passenger access to our service. There is no revenue share to the airline in this model.

In August 2013, we began offering CAS to certain airline partners, including real-time credit card transaction processing, electronic flight bags and real-time weather information.

Although we expect to continue to derive a substantial majority of CA-NA service revenue from Passenger Connectivity, we expect revenue from Passenger Entertainment and CAS to increase in future periods.

Equipment revenue. We currently have three types of connectivity agreements with our airline partners. Equipment transactions under one form of agreement, which we have used on a limited basis, qualify for sale treatment due to the specific provisions of the agreement. The remaining two types of connectivity agreements

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are treated as operating leases of space for our equipment on the aircraft. Under these two types of agreements, the equipment is included in property and equipment on our consolidated balance sheets. The upfront payments made by the airlines for such equipment are not included in equipment revenue in our consolidated statements of operations but are instead recorded on the balance sheet as deferred airborne lease incentives. See “—Cost of Service Revenue” below for further information regarding these two forms of connectivity agreements.

Business Aviation:

Service revenue. Service revenue for the BA segment is primarily from subscription fees paid by aircraft owners and operators for telecommunication and data services that include Gogo Biz in-flight broadband Internet access using our ATG network and satellite-based services that we resell. Additionally, the BA segment generates in-flight entertainment revenue through Gogo Vision.

Equipment revenue. Equipment revenue for the BA segment represents the sale of ATG and satellite-based telecommunication equipment to OEMs of aircraft and a network of aftermarket dealers who are certified by the FAA to install avionics on business aircraft, including aircraft used in the fractional jet market. Equipment revenue also include UCS related revenue, which is a single system that orchestrates, manages and delivers connectivity, entertainment and information services, while managing multiple networks. Additionally in 2013, we began selling the Gogo Text & Talk product which is used with our ATG telecommunication equipment.

Commercial Aviation Rest of World:

Service revenue. Service revenue for the CA-ROW segment, which is still in the start-up phase, is minimal as we began to generate our first in-flight connectivity revenue in March 2014. The connectivity revenue in CA-ROW is derived from Passenger Connectivity related purchases of individual sessions and Passenger Entertainment.

Cost of Service Revenue:

Commercial Aviation North America and Rest of World:

Cost of service revenue for the CA-NA and CA-ROW segments includes network, revenue share and transactional costs.

CA-NA network costs are the costs of operating and maintaining our ATG network, including backhaul, site leases, cell site operations, data centers, network operations center, network technical support, aircraft operations, component assembly and portal maintenance. A significant portion of our network costs are relatively fixed in nature and do not fluctuate directly with revenue. Network costs for the CA-NA segment include licensing expense for the Canadian ATG spectrum as well as satellite network costs, including costs for transponder capacity and backhaul.

CA-ROW network costs are the costs of operating our near-global satellite network, including costs for transponder capacity and backhaul as well as costs associated with data centers, network operations center, network technical support and portal maintenance.

Revenue share for CA-NA and CA-ROW consists of payments made to our airline partners under our connectivity agreements. Under our most prevalent type of connectivity agreement, our airline partners make an upfront payment for our equipment and take legal title to such equipment. These upfront payments are accounted for as deferred airborne lease incentives and amortized on a straight-line basis as a reduction of cost of service revenue over the term of the agreement. Additionally, monthly service fees we receive from our airline partners are accounted for as a reduction to our cost of service revenue. In addition to the revenue share percentage for Passenger Connectivity revenue, many of our agreements delineate revenue share percentages to be earned by our airline partners for revenue derived from Passenger Entertainment and other service revenue. These revenue share percentages vary by airline partner, but are generally higher than the revenue share percentages paid to our airline partners for Passenger Connectivity.

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CA-NA and CA-ROW transactional costs include billing costs and transaction fees incurred internally and charged by third-party service providers.

Business Aviation:

Cost of service revenue for the BA segment consists of satellite provider service costs, transaction costs and costs related to network operations. We charge a portion of the CA-NA segment’s ATG network costs to the BA segment. This charge to the BA segment is based on the amount of megabytes used by BA.

Cost of Equipment Revenue:

Our cost of equipment primarily consists of the purchase costs for component parts used in the manufacture of our equipment and the production, technical support and quality assurance costs associated with the equipment sales.

Engineering, Design and Development Expenses:

Engineering, design and development expenses include the costs to design and develop next generation technologies and to obtain and maintain FAA and other regulatory certifications. This includes the development of ground and airborne systems, including customization of network and airborne equipment, along with the design of airborne system installation processes. Engineering, design and development expenses also include costs associated with the enhancement of existing products.

Sales and Marketing Expenses:

Commercial Aviation North America and Rest of World:

Sales and marketing expenses for the CA-NA and CA-ROW segments consist primarily of costs associated with cultivating our relationships with our airline partners and attracting additional passengers as our customers. Sales and marketing activities related to the airlines include contracting with new airlines to offer our service on their aircraft, contracting to add additional aircraft operated by our existing airline partners to the installed fleet, joint marketing of our service with our airline partners, program management related service launches and trade shows. Sales and marketing activities related to our customers include advertising and marketing campaigns and promotions as well as customer service related activities and product management.

Business Aviation:

Sales and marketing expenses for the BA segment consist of costs associated with activities related to customer sales (including sales commissions), advertising and promotions, product management, trade shows and customer service support related activities to end users.

General and Administrative Expenses:

General and administrative expenses include staff and related operating costs of the business support functions, including finance and accounting, legal, human resources, administrative, information technology and executive groups. We allocate to our BA and CA-ROW segments certain corporate operating expenses incurred by the CA-NA segment but shared by all segments.

Depreciation and Amortization:

Depreciation expense for both the CA-NA and BA segments includes depreciation expense associated with our office equipment, furniture, fixtures and leasehold improvements. Additionally, the depreciation expense for the CA-NA segment includes depreciation of our airborne and ground network-related equipment. Depreciation expense for CA-ROW primarily includes depreciation of our airborne and satellite network-related equipment. We depreciate these assets on a straight-line basis over their estimated useful lives that range from 3-25 years, depending on the assets being depreciated.

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Amortization expense includes the amortization of our finite lived intangible assets on a straight-line basis over their estimated useful lives that range from 3-10 years, depending on the assets being amortized.

Segment Profit (Loss)

We measure our segments’ performance on the basis of segment profit (loss), which is calculated internally as net income (loss) attributable to common stock before interest expense, interest income, income taxes, depreciation and amortization, and certain non-cash charges (including amortization of deferred airborne lease incentives, stock compensation expense, the write off of deferred financing costs and, for periods prior to the IPO, fair value derivative adjustments, Class A and Class B Senior Convertible Preferred Stock return and accretion of preferred stock).

Critical Accounting Estimates

Our discussion and analysis of our financial condition and results of operations are based on our consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”). The preparation of our consolidated financial statements and related disclosures requires us to make estimates, assumptions and judgments that affect the reported amounts of assets, liabilities, revenue, costs and expenses, and related exposures. We base our estimates and assumptions on historical experience and other factors that we believe to be reasonable under the circumstances. In some instances, we could reasonably use different accounting estimates, and in some instances results could differ significantly from our estimates. We evaluate our estimates and assumptions on an ongoing basis. To the extent that there are differences between our estimates and actual results, our future financial statement presentation, financial condition, results of operations and cash flows will be affected.

We believe the following accounting estimates are the most critical to aid in fully understanding and evaluating our reported financial results, and they require our most difficult, subjective or complex judgments, resulting from the need to make estimates. For a discussion of our significant accounting policies to which many of these critical estimates relate, see Note 2, “Summary of Significant Accounting Policies,” to our consolidated financial statements for the year ended December 31, 2015 included in this Annual Report on Form 10-K.

Long-Lived Assets:

Our long-lived assets (other than goodwill and indefinite-lived assets which are separately tested for impairment) are evaluated for impairment whenever events indicate that the carrying amount of such assets may not be recoverable. We evaluate long-lived assets for impairment by comparing the carrying value of the long-lived assets with the estimated future net undiscounted cash flows expected to result from the use of the assets, including cash flows from disposition. If the future net undiscounted cash flows are less than the carrying value, we then calculate an impairment loss. The impairment loss is calculated by comparing the long-lived asset’s carrying value with its estimated fair value, which may be based on estimated future discounted cash flows. We would recognize an impairment loss by the amount the long-lived asset’s carrying value exceeds its estimated fair value. If we recognize an impairment loss, the adjusted balance becomes the new cost basis and is depreciated (amortized) over the remaining useful life of the asset. We also periodically reassess the useful lives of our long-lived assets due to advances and changes in our technologies.

Our impairment loss calculations contain uncertainties because they require management to make assumptions and to apply judgment to estimate future cash flows and long-lived asset fair values, including forecasting useful lives of the long-lived assets and selecting discount rates.

We do not believe there is a reasonable likelihood that there will be a material change in the nature of the estimates or assumptions we use to calculate our potential long-lived asset impairment losses. However, if actual results are not consistent with our assumptions used, we could experience an impairment triggering event and be exposed to losses that could be material.

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Indefinite-Lived Assets:

Our indefinite-lived intangible assets consist of our FCC spectrum licenses. Indefinite-lived intangible assets are not amortized but are reviewed for impairment at least annually or whenever events indicate that the carrying amount of such assets may not be recoverable. We perform our annual impairment test during the fourth quarter of each fiscal year. We assess qualitative factors to determine the likelihood of impairment. Our qualitative analysis includes, but is not limited to, assessing the changes in macroeconomic conditions, regulatory environment, industry and market conditions, financial performance versus budget and any other events or circumstances specific to the FCC licenses. If it is more likely than not that the fair value of the FCC licenses is greater than the carrying value, no further testing is required. Otherwise, we apply the quantitative impairment test method. In determining which quantitative approach is most appropriate, we consider the cost approach, market approach and income approach. We determined that the income approach, utilizing the Greenfield method, is the most appropriate way to value our indefinite-lived assets.

For the Greenfield method we estimate the value of our FCC spectrum licenses by calculating the present value of the cash flows of a hypothetical new market participant whose only assets are such licenses to determine the enterprise value of the entire company. It includes all necessary costs and expenses to build the company’s infrastructure during the start-up period, projected revenue, and cash flows once the infrastructure is completed. Since there is no corroborating data available in the market place that would demonstrate a market participant’s experience in establishing an “air-to-ground” business, we utilize our historic results and future projections as the underlying basis for the application of the Greenfield method. We follow the traditional discounted cash flow method, calculating the present value of a new market participant’s estimated debt free cash flows.

Our impairment calculations contain uncertainties because they require management to make assumptions and to apply judgment to estimate future projected cash flows and estimated growth rates and discount rates, as well as new market participant assumptions. Estimates of future projected cash flows used in connection with the discounted cash flow analysis were consistent with the plans and estimates that we used to manage the business, although there was inherent uncertainty in these estimates. The discount rate used in the calculation was based on our weighted average cost of capital. The beta used in the calculation is based on the weighted average betas of peer companies

We do not believe there is a reasonable likelihood that there will be a material change in the estimates or assumptions we use to determine the fair value of our indefinite-lived intangible assets. However, if actual results are not consistent with our assumptions used, we could be exposed to losses that could be material.

Stock-Based Compensation Expense:

We account for stock-based compensation expense based on the grant date fair value of the award. We recognize this cost as an expense, net of estimated forfeitures, over the requisite service period, which is generally the vesting period of the respective award. We do not have a long history of option grants and are thus unable to measure forfeitures over the entire option term. Forfeitures are estimated based on our historical analysis of attrition levels, and such estimates are generally updated annually for actual forfeitures or when any significant changes to attrition levels occur. We use the Black-Scholes option-pricing model to determine the estimated fair value of stock options. Critical inputs into the Black-Scholes option-pricing model include: the annualized volatility of our common stock; the expected term of the option in years; the estimated grant date fair value of our common stock; the option exercise price; the risk-free interest rate; and the annual rate of quarterly dividends on the stock, which are estimated as follows:

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If any of the assumptions used in the Black-Scholes model changes significantly, stock-based compensation expense for future awards may differ materially compared with the awards previously granted. The inputs that create the most sensitivity in our option valuation are the volatility, expected term and forfeitures. See Note 11, “Stock-Based Compensation Expense,” to our consolidated financial statements for the year ended December 31, 2015 included in this Annual Report on Form 10-K for additional information regarding the assumptions used in the Black-Scholes model.

Recent Accounting Pronouncements

See Note 2, “Summary of Significant Accounting Policies” in our consolidated financial statements for additional information.

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Results of Operations

The following table sets forth, for the periods presented, certain data from our consolidated statements of operations. The information contained in the table below should be read in conjunction with our consolidated financial statements and related notes.

Consolidated Statements of Operations Data

(in thousands)

Revisions—During the three months ended December 31, 2015, we determined that it was more appropriate to record incentive compensation expense and stock-based compensation expense in the same operating expense line items in the consolidated statements of operations as the base cash compensation paid to the underlying employees rather than within general and administrative expenses, where such costs had been reported.

We assessed the materiality of these classification changes, taking into account quantitative and qualitative factors, and determined them to be immaterial to the consolidated statements of operations for the years ended December 31, 2014 and 2013. There is no impact to total operating expenses, net loss or net loss per share, or the consolidated balance sheets or statements of comprehensive loss, cash flows or stockholders’ equity (deficit).

While these immaterial classification changes could have been reflected prospectively, we elected to revise our consolidated statements of operations in order to provide greater comparability of operating expense line items across

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each year presented. Therefore, we have revised the previously reported operating expense line items within the consolidated statements of operations for the years ended December 31, 2014 and 2013 to reflect the classification of incentive compensation expense and stock-based compensation expense in the consolidated statements of operations in the same operating expense line items as the base cash compensation paid to the underlying employees.

Following are the line items from our consolidated statements of operations illustrating the effect of these immaterial revisions (in thousands):

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Years Ended December 31, 2015 and 2014

Revenue:

Revenue by segment and percent change for the years ended December 31, 2015 and 2014 were as follows (in thousands, except for percent change):

Commercial Aviation North America:

CA-NA revenue increased to $310.7 million for the year ended December 31, 2015 as compared with $250.8 million for the prior year primarily due to an increase in service revenue driven by Passenger Connectivity revenue. The increase in CA-NA Passenger Connectivity revenue was primarily due to an increase in ARPS and the number of aircraft online, partially offset by a decrease in connectivity take rate. ARPS increased to $12.74 for the year ended December 31, 2015 as compared with $11.08 for the prior year due primarily to price increases and changes to our product mix. ARPA increased to $11,387 for the year ended December 31, 2015 as compared with $10,064 for the prior year. GPO increased to 351.7 million for year ended December 31, 2015 as compared with 314.0 million for the prior year, driven by an increase in aircraft online. The connectivity take rate decreased to 6.2% for the year ended December 31, 2015 as compared with 6.7% for the prior year, primarily due to an increase in the number of regional jets online, which typically have a lower connectivity take rate. Passenger Connectivity sessions totaled 21.7 million for the year ended December 31, 2015 as compared with 21.1 million for the prior year.

A summary of the components of CA-NA’s service revenue for the years ended December 31, 2015 and 2014 is as follows (in thousands, except for percent change):

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CA-NA passenger paid revenue increased to $257.4 million for the year ended December 31, 2015 as compared with $221.8 million for the prior year due to an increase in both individual sessions and subscriptions. Revenue from individual sessions increased to $155.1 million for the year ended December 31, 2015 as compared with $133.4 million for the prior year and revenue from subscriptions increased to $102.3 million for the year ended December 31, 2015 as compared with $88.4 million for the prior year. The revenue increase in individual sessions was primarily due to increases in prices and the number of aircraft online, partially offset by a decrease in connectivity take rate, as discussed above. The revenue increase in subscriptions was primarily due to the increase in the number of subscribers and, to a lesser extent an increase in prices. Our third party paid revenue increased to $29.2 million for the year ended December 31, 2015 as compared with $20.9 million for the prior year primarily due to increases in roaming, enterprise and wholesale revenue, offset in part by a decrease in sponsorship and advertising revenue. Our airline paid revenue increased to $7.6 million for the year ended December 31, 2015 as compared with $1.4 million as we recently entered into agreements with certain airline partners under which the airlines pay us for certain data usage, including data used by passengers accessing whitelisted sites and by airline crew members using connectivity services while in flight.

The increase in Passenger Entertainment and CAS revenue of 211.7% to $14.1 million for the year ended December 31, 2015 as compared with $4.5 million for the prior year was driven primarily by a business-to-business arrangement with one of our airline partners for our Passenger Entertainment offering (which commenced in the second half of 2014), as well as a second Passenger Entertainment program that occurred in the first quarter of 2015 with another airline partner.

Business Aviation:

BA revenue increased to $178.7 million for the year ended December 31, 2015 as compared with $155.6 million for the prior year due to an increase in service revenue offset in part by a decrease in equipment revenue.

BA service revenue increased to $100.1 million for the year ended December 31, 2015 as compared with $72.0 million for the prior year primarily due to more customers subscribing to our Gogo Biz (ATG) service as well as the full year impact of price increases implemented during 2014. The number of ATG aircraft online increased 24.3% to 3,477 as of December 31, 2015, as compared with 2,797 as of December 31, 2014.

BA equipment revenue decreased to $78.6 million for the year ended December 31, 2015 as compared with $83.6 million for the prior year due to a decrease in ATG and satellite equipment revenue. ATG equipment revenue decreased 7.9% to $51.1 million for year ended December 31, 2015, as compared with $55.5 million for the prior year due to a 2.1% decrease in the number of units shipped and changes in product mix. Satellite equipment revenue decreased 11.3% to $23.2 million for year ended December 31, 2015, as compared with $26.1 million for the prior year due to changes in product mix.

Commercial Aviation Rest of World:

Our CA-ROW segment is still in the start-up phase, with in-flight connectivity service having commenced in March 2014. We generated $11.6 million of service revenue for the year ended December 31, 2015, as compared with $2.1 million for the prior year.

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Cost of Service Revenue:

Cost of service revenue by segment and percent change for the years ended December 31, 2015 and 2014 were as follows (in thousands, except for percent change):

CA-NA cost of service revenue increased to $126.7 million for the year ended December 31, 2015 as compared with $117.7 million for the prior year due to an increase in revenue share earned by our airline partners, content costs related to our Passenger Entertainment service offerings and network operations expenses (including network maintenance, satellite service fees, backhaul and site leases). The revenue share increase of $6.2 million for the year ended December 31, 2015 over the prior year was primarily driven by the increase in CA-NA service revenue for the current year. These increases were partially offset by an increase in the amortization of our deferred airborne lease incentives and the recognition of monthly service fees paid to us by certain of our airline partners, both of which reduce our cost of services. See Note 14, “Leases” in our consolidated financial statements for additional information regarding our deferred airborne lease incentives. Revenue share as a percentage of service revenue decreased due to new airline contracts and amendments that provide for lower revenue share than those of certain pre-existing contracts.

BA cost of service revenue increased to $26.0 million for the year ended December 31, 2015 as compared with $19.3 million for the prior year. The increase in cost of service revenue was primarily due to the increase in the number of ATG units online and an increase in the average network utilization per ATG unit online, which resulted in higher ATG network service costs.

CA-ROW cost of service revenue decreased slightly to $35.1 million for the year ended December 31, 2015 as compared with $35.7 million in the prior year primarily due to the recognition of monthly service fees paid to us by certain of our airline partners and the amortization of our deferred airborne lease incentives, both of which reduce our cost of service. See Note 14, “Leases” in our consolidated financial statements for additional information regarding our deferred airborne lease incentives. These decreases were partially offset by an increase in satellite service fees, revenue share expense and billing and transaction related expenses as the business grew following the commencement of our service in March 2014.

We expect cost of service revenue for CA-NA to increase in future periods due to increases in revenue share and transaction expenses as our service revenue continues to increase. We believe that our network related expenses will increase to support the projected increased use and expansion of our network, which will include additional satellite coverage to support and/or supplement service in certain geographical areas. Additionally, we expect our maintenance costs to increase in future periods. However, a significant portion of our ATG network operations costs is relatively fixed in nature and does not fluctuate directly with revenue. We therefore expect total cost of service revenue in CA-NA to decline as a percentage of total service revenue as we realize efficiencies inherent in the scalability of our business.

As we expand our business internationally, we also expect to incur additional cost of service revenue in CA-ROW, reflecting increased satellite usage and additional revenue share, billing, transaction and network related expenses.

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Cost of Equipment Revenue:

Cost of equipment revenue by segment and percent change for the years ended December 31, 2015 and 2014 were as follows (in thousands, except for percent change):

Cost of equipment revenue increased to $40.6 million for the year ended December 31, 2015 as compared with $39.7 million for the prior year. The increase occurred primarily within the BA segment due to changes in product mix and an increase in warranty expense. We expect that our cost of equipment revenue will vary with changes in equipment revenue.

Engineering, Design and Development Expenses:

Engineering, design and development expenses increased 25.8% to $87.4 million for the year ended December 31, 2015 as compared with $69.5 million for the prior year due to increases in the CA-NA and BA segments, while the CA-ROW segment remained relatively flat.

Engineering, design and development expenses for the CA-NA and BA segments increased 51.0% and 22.3%, for the year ended December 31, 2015, respectively, as compared with the prior year due to higher personnel expenses (which includes bonus and stock-based compensation expense) in connection with the development of next generation products and technologies and STCs.

We expect engineering, design and development expenses to increase in future periods as we continue to execute our technology roadmap, expand internationally and continue to develop next generation products and technologies.

Sales and Marketing Expenses:

Sales and marketing expenses increased 33.3% to $56.1 million for the year ended December 31, 2015 as compared with $42.1 million for the prior year due to increases in all three segments. Consolidated sales and marketing expenses as a percentage of total consolidated revenue was 11.2% for the year ended December 31, 2015 as compared with 10.3% for the prior year.

Sales and marketing expenses in the CA-NA segment increased 30.3% for the year ended December 31, 2015 over the prior year due to an increase in personnel expense (including bonus and stock-based compensation expense) and outside services to support the growth of the business and marketing related activities. Sales and marketing expenses for the CA-ROW segment increased 44.0% for the year ended December 31, 2015 over the prior year due to increased personnel (which includes bonus and stock-based compensation expense), consulting services and travel to support the growth of the business and, to a lesser extent, customer care efforts in connection with the commercial launch of international service. Sales and marketing expenses in the BA segment increased 30.6% for the year ended December 31, 2015 over the prior year due to an increase in personnel expense (which includes bonus and stock-based compensation expense) to support the growth of the business and new product launches.

We expect our sales and marketing expenses to increase in future periods as we expand our international marketing initiatives, commence service on aircraft operated by new airline partners both in CA-NA and CA-ROW, increase advertising and promotional initiatives for new product offerings and expand programs to

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retain and support our existing users. In addition, the commission component of sales and marketing expenses at BA will fluctuate with equipment revenue. We expect consolidated sales and marketing expenses to remain relatively flat as a percentage of consolidated revenue in the near-term as we launch new airline partnerships but to decrease as a percentage of consolidated revenue in the long-term.

General and Administrative Expenses:

General and administrative expenses increased 22.7% to $86.8 million for the year ended December 31, 2015 as compared with $70.7 million for the prior year due to increases in all three segments. Consolidated general and administrative expenses as a percentage of total consolidated revenue remained steady at 17.3% for the years ended December 31, 2015 and 2014.

The increase in the CA-NA segment’s general and administrative expenses of 30.0% for the year ended December 31, 2015 over the prior year was due primarily to an increase in personnel related expenses (which includes bonus and stock-based compensation expense) and an increase in rent expense as we leased new office facilities (which includes the impact of overlapping leases in the current year).

The increase in the CA-ROW segment’s general and administrative expenses of 6.6% for the year ended December 31, 2015 over the prior year was due primarily to an increase in rent, which resulted from a ramp-up in CA-ROW activities as we continued our international expansion.

The increase in the BA segment’s general and administrative expenses of 3.1% for the year ended December 31, 2015 over the prior year was due primarily to an increase in personnel related expenses (which includes bonuses and stock-based compensation expense) to manage the growth of the business offset in part by a decrease in rent expense as the prior year had overlapping leases for a larger portion of the year as compared with the current year, a decrease in legal fees and a decrease in taxes.

We expect our general and administrative expenses to increase in future periods as we expand our workforce to support the growth of our business both domestically and internationally. However, we expect general and administrative expenses to decrease as a percentage of consolidated revenue.

Segment Profit (Loss):

CA-NA’s segment profit increased 61.4% to $41.9 million for the year ended December 31, 2015 as compared with $26.0 million for the prior year due to increases in service revenue partially offset by increases in operating expenses, as discussed above.

BA’s segment profit increased 14.1% to $71.9 million for the year ended December 31, 2015 as compared with $63.0 million for the prior year due to increases in service revenue, partially offset by increases in operating expenses and a decrease in equipment revenue, as discussed above.

CA-ROW’s segment loss decreased 2.2% to $76.4 million for the year ended December 31, 2015 as compared with $78.1 million for the prior year due to an increase in service revenue, partially offset by an increase in operating expenses, as discussed above.

Depreciation and Amortization:

Depreciation and amortization expense increased 35.0% to $87.0 million for the year ended December 31, 2015 as compared with $64.5 million for the prior year due to the increase in the number of aircraft outfitted with our airborne equipment by our CA-ROW and CA-NA segments, as well as leasehold improvements and furniture and fixtures associated with our new office facilities.

We expect our depreciation and amortization expense to increase in future periods as we install our equipment on additional aircraft, install more expensive satellite-based equipment on aircraft (primarily to service the CA-ROW segment) and further expand our ground and satellite networks.

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Other (Income) Expense:

Other (income) expense and percent change for the years ended December 31, 2015 and 2014 were as follows (in thousands, except for percent change):

Total other expense was $61.5 million for the year ended December 31, 2015 as compared to $32.7 million for the prior year. The increase in interest expense was due to higher average debt levels outstanding during the current year as compared with the prior year as a result of the amendment to the Amended Senior Term Facility entered into on July 30, 2014 and the issuance of Convertible Notes in March 2015. Interest expense also increased due to accretion expense and amortization of deferred financing costs associated with the Convertible Notes. See Note 6, “Long-Term Debt and Other Liabilities,” in our consolidated financial statements for additional information. See Note 7, “Interest Costs” in our consolidated financial statements for additional information related to our interest expense. Additionally, the year ended December 31, 2015 includes the write off of deferred financing costs.

We expect our interest expense to increase in 2016 due to higher average debt outstanding in 2016 as compared to 2015 as a result of issuance of the Convertible Notes in March 2015. Additionally, interest expense will increase in 2016 due to a full year of accretion expense and amortization of deferred financing costs of the Convertible Notes. See Note 6, “Long-Term Debt and Other Liabilities,” in our unaudited condensed consolidated financial statements for additional information. Interest expense will also increase due to amortization of additional deferred financing costs.

Income Taxes:

The effective income tax rate for the year ended December 31, 2015 was (1.2%) as compared with (1.4%) for the prior year. Income tax expense recorded in each period was similar, with differences in pre-tax income causing the change in the effective tax rate. The difference between our effective tax rates and the U.S. federal statutory rate of 35% for the year ended December 31, 2015 and 2014 was primarily due to the recording of a valuation allowance against our net deferred tax assets which is excluded from taxable income (loss).

We expect our income tax provision to increase in future periods to the extent we become profitable.

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Years Ended December 31, 2014 and 2013

Revenue:

Revenue by segment and percent change for the years ended December 31, 2014 and 2013 were as follows (in thousands, except for percent change):

Commercial Aviation North America:

CA-NA revenue increased to $250.8 million for the year ended December 31, 2014 as compared with $199.1 million for the prior year primarily due to an increase in service revenue driven by Passenger Connectivity revenue. The increase in CA-NA Passenger Connectivity revenue was primarily due to an increase in connectivity take rate and, to a lesser extent, ARPS, which resulted in an increase in ARPA. ARPA increased to $10,064 for the year ended December 31, 2014 as compared with $8,375 for the prior year. ARPP increased to $0.79 for the year ended December 31, 2014 as compared with $0.67 for the prior year. GPO increased to 314.0 million for year ended December 31, 2014 as compared with 294.7 million for the prior year, driven by an increase in aircraft online. The connectivity take rate increased to 6.7% for the year ended December 31, 2014 as compared with 6.2% for the prior year, reflecting increased passenger adoption of our service. ARPS increased to $11.08 for the year ended December 31, 2014 as compared with $10.40 for the prior year due primarily to price increases for individual sessions and changes to our product mix. Passenger Connectivity sessions totaled 21.1 million for the year ended December 31, 2014 as compared with 18.2 million for the prior year.

A summary of the components of CA-NA’s service revenue for the years ended December 31, 2014 and 2013 is as follows (in thousands, except for percent change):

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Our passenger paid revenue increased to $221.8 million for the year ended December 31, 2014 as compared with $179.4 million for the prior year due to an increase in both individual sessions and subscriptions. Revenue from individual sessions increased to $133.4 million for the year ended December 31, 2014 as compared with $106.4 million for the prior year, and revenue from subscriptions increased to $88.4 million for the year ended December 31, 2014 as compared with $73.0 million for the prior year. These revenue increases were due to price increases and increased passenger adoption of our service. Our third party paid revenue increased to $20.9 million for the year ended December 31, 2014 as compared with $15.4 million for the prior year primarily due to increases in roaming and sponsorship revenue, offset in part by a decrease in advertising revenue. Our airline paid revenue remained relatively consistent at $1.4 million for the years ended December 31, 2014 and 2013.

Passenger Entertainment and CAS revenue increased to $4.5 million for the year ended December 31, 2014 as compared with $0.6 million for the prior year driven by increases in revenues from CAS and the commencement of a business-to-business arrangement with one of our airline partners for our Passenger Entertainment offering.

Business Aviation:

BA revenue increased to $155.6 million for the year ended December 31, 2014 as compared with $127.5 million for the prior year due to increases in service and equipment revenue. BA service revenue increased to $72.0 million for the year ended December 31, 2014 as compared with $52.3 million for the prior year primarily due to more customers subscribing to our Gogo Biz (ATG) service as well as the full year impact of price increases implemented during 2013. The number of ATG aircraft online increased 36.6% to 2,797 as of December 31, 2014 as compared with 2,047 as of December 31, 2013.

BA equipment revenue increased to $83.6 million for the year ended December 31, 2014 as compared with $75.2 million for the prior year due to increases in revenue for ATG and UCS equipment. ATG equipment revenue increased 15.0% to $55.5 million for year ended December 31, 2014, as compared with $48.2 million for the prior year due to a 7.2% increase in the number of ATG equipment units shipped and new ATG product offerings, including ATG 2000 for the turbo prop market and Gogo Text & Talk.

Commercial Aviation Rest of World:

In March 2014, we generated our first CA-ROW in-flight connectivity revenue. We generated $2.1 million of service revenue during the year ended December 31, 2014. For the year ended December 31, 2013, our CA-ROW segment generated $1.4 million of service revenue primarily from portal development services provided to one international carrier, while no such activity occurred in 2014.

Cost of Service Revenue:

Cost of service revenue by segment and percent change for the years ended December 31, 2014 and 2013 were as follows (in thousands, except for percent change):

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CA-NA cost of service revenue increased to $117.7 million for the year ended December 31, 2014 as compared with $102.9 million for the prior year due to an increase in revenue share earned by our airline partners and an increase in network operations expenses (including network maintenance, backhaul and site leases). The revenue share increase of $9.2 million for the year ended December 31, 2014 over the prior year was primarily driven by the increase in CA-NA service revenue. We also had increases in billing and transaction related expenses as a result of an increase in the number of Passenger Connectivity sessions. These increases were partially offset by an increase in the amortization of our deferred airborne lease incentives. See Note 14, “Leases” in our consolidated financial statements for additional information regarding our deferred airborne lease incentives.

BA cost of service revenue increased to $19.3 million for the year ended December 31, 2014 as compared with $15.0 million for the prior year. The increase in cost of service revenue was primarily due to an increase in the number of ATG units online to 2,797 as of December 31, 2014 from 2,047 as of December 31, 2013 and an increase in the average network utilization per ATG unit online, which resulted in higher ATG network service costs. Our satellite service fees also increased for the year ended December 31, 2014 as compared with the prior year due to an increase in the number of subscribers of our satellite services to 5,377 as of December 31, 2014 from 5,175 as of December 31, 2013, an increase in average network utilization per satellite unit online and price increases for satellite services.

CA-ROW cost of service revenue increased to $35.7 million for the year ended December 31, 2014 as compared with $17.1 million in the prior year primarily due to higher rates for satellite capacity and, to a lesser extent, due to additional satellite transponders and teleports coming online throughout 2013 and 2014. Additionally, as we commenced service in CA-ROW in 2014, we began incurring revenue share expense, and billing and transaction related expenses. These were partially offset by the amortization of our deferred airborne lease incentives. See Note 14, “Leases” in our consolidated financial statements for additional information regarding our deferred airborne lease incentives.

Cost of Equipment Revenue:

Cost of equipment revenue by segment and percent change for the years ended December 31, 2014 and 2013 were as follows (in thousands, except for percent change):

Cost of equipment revenue increased to $39.7 million for the year ended December 31, 2014 as compared with $36.0 million for the prior year. The increase occurred primarily within the BA segment primarily due to an increase in ATG equipment revenue. Lesser factors include a shift in product mix, an increase in warranty reserve due to additional units outstanding, a write-off of obsolete inventory related to legacy satellite systems and an increase in personnel costs within the production, technical support and quality assurance groups to support the growth of the business.

Engineering, Design and Development Expenses:

Engineering, design and development expenses increased 29.3% to $69.5 million for the year ended December 31, 2014 as compared with $53.7 million for the prior year primarily due to an increase in the CA-ROW segment and to a lesser extent in the CA-NA and BA segments.

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Engineering, design and development expenses for the CA-ROW segment increased 93.0% for the year ended December 31, 2014 as compared with the prior year primarily due to increases in STC related expenses for commercial aircraft under contract and an increase in expenses related to development of next generation products and technologies. Engineering, design and development expenses for the BA segment increased 12.8% for the year ended December 31, 2014 as compared with the prior year due to costs incurred in connection with the development of next generation products and technologies and certifications. Engineering, design and development expenses for the CA-NA segment increased 6.2% for the year ended December 31, 2014 as compared with the prior year due to costs incurred in connection with development of next generation products and technologies and, to a lesser extent, STCs.

Sales and Marketing Expenses:

Sales and marketing expenses increased 22.0% to $42.1 million for the year ended December 31, 2014 as compared with $34.5 million for the prior year due to increases in all three segments. Consolidated sales and marketing expenses as a percentage of total consolidated revenue decreased to 10.3% for the year ended December 31, 2014 as compared with 10.5% for the prior year.

Sales and marketing expenses in the CA-NA segment increased 14.3% year ended December 31, 2014 over the prior year due to an increase in personnel expense (which includes stock-based compensation expense partially offset by lower bonus expense) to support the growth of the business and in marketing related activities. Sales and marketing expenses for the CA-ROW segment increased 54.4% for the year ended December 31, 2014 over the prior year due to the buildup of our sales and marketing teams and increased customer care efforts in connection with the commercial launch of international service. Sales and marketing expenses in the BA segment increased 18.1% for the year ended December 31, 2014 over the prior year due to an increase in personnel expense (which includes stock-based compensation expense partially offset by lower bonus expense) to support the growth of the business, new product launches and the rebranding of our BA segment from Aircell to Gogo Business Aviation.

General and Administrative Expenses:

General and administrative expenses increased 21.9% to $70.7 million for the year ended December 31, 2014 as compared with $58.0 million for the prior year due to increases in all three segments. However, consolidated general and administrative expenses as a percentage of total consolidated revenue decreased to 17.3% for the year ended December 31, 2014 from 17.7% for the prior year.

The increase in the BA segment’s general and administrative expenses of 69.0% for the year ended December 31, 2014 over the prior year was due primarily to an increase in rent expense, as we added additional office space, an increase in personnel related expenses (which includes stock-based compensation expense partially offset by lower bonus expense) to manage the growth of the business, and increases in audit, tax, insurance, and other compliance-related expenses as a result of becoming a public company in June 2013. Additionally, general and administrative expenses for the year ended December 31, 2013 included a settlement in connection with the Hawker Beechcraft bankruptcy under which we recovered $0.4 million in the period, while no such recovery was recorded in the current year.

The increase in the CA-NA segment’s general and administrative expenses of 11.9% for the year ended December 31, 2014 over the prior year was due primarily to an increase in contract labor, an increase in stock-based compensation expense, an increase in rent expense as we added additional office space and increases in audit, tax, and other compliance-related expenses as a result of becoming a public company in June 2013, offset in part by a decrease in bonus expense and legal fees.

The increase in the CA-ROW segment’s general and administrative expenses of 41.1% for the year ended December 31, 2014 over the prior year was due primarily to an increase in personnel, travel and consulting expenses, all of which resulted from a ramp up in CA-ROW activities as we continued our international expansion.

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Segment Profit (Loss):

CA-NA’s segment profit increased to $26.0 million for the year ended December 31, 2014 as compared with segment loss of $1.3 million for the prior year. The increase in CA-NA’s segment profit for the year ended December 31, 2014 was due to increases in service revenue partially offset by increases in operating expenses, as discussed above.

BA’s segment profit increased 24.2% to $63.0 million for the year ended December 31, 2014 as compared with $50.7 million for the prior year. The increase in BA’s segment profit for the year ended December 31, 2014 was due to increases in service revenue and equipment revenue, partially offset by increases in operating expenses, as discussed above.

CA-ROW’s segment loss increased 90.5% to $78.1 million for the year ended December 31, 2014 as compared with $41.0 million for the prior year due to our continued investment in this segment, which is still in the start-up phase and increases in operating expenses, as discussed above.

Depreciation and Amortization:

Depreciation and amortization expense increased 16.1% to $64.5 million for the year ended December 31, 2014 as compared with $55.5 million for the prior year. The increase in depreciation and amortization expense was due to the increase in the number of aircraft outfitted with our airborne equipment by our CA-ROW and CA-NA segments, along with leasehold improvements and furniture and fixtures associated with our new office facilities.

Other (Income) Expense:

Other (income) expense and percent change for the years ended December 31, 2014 and 2013 were as follows (in thousands, except for percent change):

Total other expense was $32.7 million for the year ended December 31, 2014 as compared with $65.5 million for the prior year. The increase in interest expense was due to higher average debt levels outstanding during the current year as compared with the prior year. See Note 6, “Long-Term Debt and Other Liabilities,” in our consolidated financial statements for additional information. This increase in interest expense was partially offset by a decrease in fees not paid directly to our lenders in 2014 versus 2013 for the amendments to the Senior Term Facility that we entered into on April 4, 2013 and July 30, 2014 which were treated as interest expense. See Note 7, “Interest Costs” in our consolidated financial statements for additional information related to our interest expense. The year ended December 31, 2013 included fair value derivative adjustments associated with the liquidation preference in our previously outstanding Class A Senior Convertible Preferred Stock, which provided for a minimum return upon a Deemed Liquidation Event such as our IPO which occurred in June 2013. We had no such activity for the year ended December 31, 2014.

Income Taxes:

The effective income tax rate for the year ended December 31, 2014 was (1.4%) as compared with (1.0%) for the prior year. Income tax expense recorded in each period was similar, with differences in pre-tax

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income causing the change in the effective tax rate. The difference between our effective tax rates and the U.S. federal statutory rate of 35% for the years ended December 31, 2014 and 2013 was primarily due to the recording of a valuation allowance against our net deferred tax assets which is excluded from taxable income (loss).

Non-GAAP Measures

In our discussion below, we discuss certain non-GAAP financial measurements, including Adjusted EBITDA, Adjusted Net Loss, Adjusted Net Loss Per Share and Cash CAPEX as defined below. Management uses Adjusted EBITDA and Cash CAPEX for business planning purposes, including managing our business against internally projected results of operations and measuring our performance and liquidity. Management prepares Adjusted Net Loss and Adjusted Net Loss Per Share for investors, securities analysts and other users of our financial statements for use in evaluating our performance under our current capital structure. These supplemental performance measures also provide another basis for comparing period-to-period results by excluding potential differences caused by non-operational and unusual or non-recurring items. These supplemental performance measurements may vary from and may not be comparable to similarly titled measures by other companies. Adjusted EBITDA, Adjusted Net Loss, Adjusted Net Loss Per Share and Cash CAPEX are not recognized measurements under accounting principles generally accepted in the United States, or GAAP, and when analyzing our performance or liquidity, as applicable, investors should (i) evaluate each adjustment in our reconciliation to net loss attributable to common stock, and the explanatory footnotes regarding those adjustments, (ii) use Adjusted EBITDA, Adjusted Net Loss and Adjusted Net Loss Per Share in addition to, and not as an alternative to, net loss attributable to common stock as a measure of operating results, and (iii) use Cash CAPEX in addition to, and not as an alternative to, consolidated capital expenditures when evaluating our liquidity.

Definition and Reconciliation of Non-GAAP Measures

EBITDA represents net income (loss) attributable to common stock before income taxes, interest income, interest expense, depreciation expense and amortization of other intangible assets.

Adjusted EBITDA represents EBITDA adjusted for (i) stock-based compensation expense, (ii) amortization of deferred airborne lease incentives, (iii) write off of deferred financing costs, and for periods prior to the IPO, (iv) fair value derivative adjustments, (v) Class A and Class B senior convertible preferred stock return, and (vi) accretion of preferred stock. Our management believes that the use of Adjusted EBITDA eliminates items that, management believes, have less bearing on our operating performance, thereby highlighting trends in our core business which may not otherwise be apparent. It also provides an assessment of controllable expenses, which are indicators management uses to determine whether current spending decisions need to be adjusted in order to meet financial goals and achieve optimal financial performance.

We believe the exclusion of stock-based compensation expense from Adjusted EBITDA is appropriate given the significant variation in expense that can result from using the Black-Scholes model to determine the fair value of such compensation. The fair value of our stock options are determined using the Black-Scholes model and varies based on fluctuations in the assumptions used in this model, including inputs that are not necessarily directly related to the performance of our business, such as the expected volatility, the risk-free interest rate and the expected life of the options. Therefore, we believe the exclusion of this cost provides a clearer view of the operating performance of our business. Further, stock option grants made at a certain price and point in time do not necessarily reflect how our business is performing at any particular time. While we believe that investors should have information about any dilutive effect of outstanding options and the cost of that compensation, we also believe that stockholders should have the ability to consider our performance using a non-GAAP financial measure that excludes these costs and that management uses to evaluate our business.

We believe the exclusion of the amortization of deferred airborne lease incentives from Adjusted EBITDA is useful as it allows an investor to view operating performance across time periods in a manner consistent with how management measures segment profit and loss (see Note 10, “Business Segments and Major Customers” for

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a description of segment profit (loss) in our consolidated financial statements). Management evaluates segment profit and loss in this manner, excluding the amortization of deferred airborne lease incentives, because such presentation reflects operating decisions and activities from the current period, without regard to the prior period decision or the form of connectivity agreements. See “—Key Components of Consolidated Statements of Operations—Cost of Service Revenue—Commercial Aviation North America and Rest of World” for a discussion of the accounting treatment of deferred airborne lease incentives.

We believe it is useful to an understanding of our operating performance to exclude write off of deferred financing costs from Adjusted EBITDA because of the non-recurring nature of this charge.

We believe the exclusion of fair value derivative adjustments, Class A and Class B senior convertible preferred stock return and accretion of preferred stock from Adjusted EBITDA is appropriate because we do not believe such items are indicative of ongoing operating performance due to their non-recurring nature as a result of the conversion of all shares of preferred stock into shares of common stock upon consummation of our IPO in June 2013.

We also present Adjusted EBITDA as a supplemental performance measure because we believe that this measure provides investors, securities analysts and other users of our financial statements with important supplemental information with which to evaluate our performance and to enable them to assess our performance on the same basis as management.

Adjusted Net Loss represents net loss attributable to common stock before fair value derivative adjustments, Class A and Class B senior convertible preferred stock return and accretion of preferred stock. We present Adjusted Net Loss to eliminate the impact of such items because we do not consider those indicative of ongoing operating performance due to their non-recurring nature as a result of the conversion of all shares of preferred stock into shares of common stock in connection with our IPO in June 2013.

Adjusted Net Loss Per Share represents net loss attributable to common stock per share—basic and diluted, adjusted to reflect the number of shares of common stock outstanding as of December 31, 2015 under our current capital structure, after giving effect to the shares of our common stock effectively repurchased as part of the Forward Transactions entered into in connection with the issuance of the Convertible Notes. We present Adjusted Net Loss Per Share to provide investors, securities analysts and other users of our financial statements with important supplemental information with which to evaluate our performance considering our current capital structure and the shares outstanding after giving effect to the Forward Transactions.

Cash CAPEX represents capital expenditures net of airborne equipment proceeds received from the airlines and incentives paid to us by landlords under certain facilities leases. We believe Cash CAPEX provides a more representative indication of our liquidity requirements with respect to capital expenditures, as under certain agreements with our airline partners, we are reimbursed for all or a substantial portion of the cost of our airborne equipment, thereby reducing our cash capital requirements.

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Gogo Inc. and Subsidiaries

Reconciliation of GAAP to Non-GAAP Measures

(in thousands, except per share amounts)

(unaudited)