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MainstreamBroadband is expected on new large jets; low-orbit service spreads fast through retrofits.

Wi-Fi at 45,000 Feet: Starlink, Ka-Band and the Connected Cabin

Business jets once offered slow email and little else in the air. Low-orbit satellite networks and Ka-band services now deliver streaming speeds, and the market has changed quickly since 2022.

Not long ago, internet on a business jet meant slow email and a satellite phone billed by the minute. Today a passenger at 45,000 feet can hold a video call or stream a film, and the cabin network has become one of the first questions buyers ask about. The change came fast, and most of it happened after 2022.

What it is

Aircraft reach the internet in three ways. Air-to-ground systems use a network of towers on the ground, like a mobile phone network pointed upward; Gogo's North American network is the best-known example, and it works only over land that has towers. Geostationary satellites sit about 35,786 kilometres above the equator and appear fixed in the sky. Viasat's Jet ConneX service, launched by Inmarsat in 2016 and now owned by Viasat, uses the Ka-band radio frequencies on such satellites and is installed on more than 1,500 business jets. The newest option is low Earth orbit: constellations of thousands of satellites a few hundred to about 1,200 kilometres up, led by SpaceX's Starlink and Eutelsat's OneWeb.

How it works

Distance explains most of the difference. A signal to a geostationary satellite and back covers more than 70,000 kilometres, so every request and reply adds roughly half a second of delay. Email does not mind; video calls and online games do. Low-orbit satellites are so much closer that the delay drops to a level similar to broadband on the ground.

The hardware differs too. Geostationary services need a mechanically steered dish, which on large jets usually sits in a fairing on top of the tail. Low-orbit systems use a flat, electronically steered antenna on the top of the fuselage that tracks satellites as they pass overhead. The Starlink aviation kit consists of an antenna, a power supply and a wireless access point, and needs only electrical power from the aircraft. Starlink quotes download speeds of 100 to 250 megabits per second and uploads of up to 25. Gogo's Galileo HDX antenna, which uses OneWeb, averages about 57 megabits per second; the larger FDX antenna is rated at a mean of 189.

Where it stands today

Bombardier was the first manufacturer to deliver Ka-band, on Global jets from September 2016, and now offers it across the Challenger 300, 350, 650 and 3500 and the Global 5000, 5500, 6000 and 6500 families. Starlink announced business jet service in 2022, and by October 2025 more than 30 supplemental type certificates allowed installation on models from Bombardier, Dassault, Embraer, Gulfstream and Textron Aviation. Service plans at that time started at $2,000 a month for 20 gigabytes and reached $10,000 a month for unlimited data.

Gulfstream became the first manufacturer to install Starlink itself. It received FAA approval for the G650 and G650ER on 31 October 2024, added the G800, G700, G600, G500, G550 and GV, and reported its 100th installation in September 2025. Starlink is now offered on new G500, G600, G700 and G800 aircraft. The Citation Longitude gained approval through AeroMech in October 2025, and Daher offers Starlink on the TBM 980 turboprop.

The industry also consolidated. Gogo completed its purchase of Satcom Direct in December 2024, paying $375 million in cash plus five million shares. Gogo's first Galileo HDX installation, on a Challenger 300, followed in 2024, and EASA certified the FDX system for Airbus corporate jets in May 2026. Bombardier's new Global 8000 comes with Honeywell JetWave Ka-band hardware as its baseline, with Starlink and Gogo Galileo available.

Which aircraft have it, and the limits

In practice, fast connectivity is now expected on any new large-cabin jet, and it is spreading quickly through retrofits into midsize and light aircraft. The JetAtlas pages for Gulfstream's current and recent models, the Global and Challenger families, the Citation Longitude, the TBM 980 and the Falcon 10X all list broadband options.

There are limits. Monthly fees still exceed the annual home internet bill of most households. Installation means downtime, antenna drag costs a little fuel, and every new antenna needs its own certification on each aircraft type. Service also depends on regulators: a satellite network must be licensed in each country's airspace, so coverage maps have gaps. Many operators now fit two systems, such as Ka-band and Starlink, so one can back up the other. The next step is multi-orbit service that switches between networks automatically, which Gogo, Viasat and others are already selling.

Sources

Aircraft with it today

Gulfstream Aerospace G500Gulfstream Aerospace G600Gulfstream Aerospace G700Gulfstream Aerospace G800Gulfstream Aerospace G650Gulfstream Aerospace G650ERGulfstream Aerospace G550Gulfstream Aerospace GVBombardier Global 8000Bombardier Global 6500Bombardier Global 5500Bombardier Global 6000Bombardier Global 5000Bombardier Global Express XRSBombardier Challenger 3500Bombardier Challenger 650Bombardier Challenger 350Bombardier Challenger 300Textron Aviation Citation LongitudeDaher Aircraft TBM 980Dassault Aviation Falcon 10X

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