In-flight Internet relies on transmitting signals to the ground . The signal is sent through a series of antennas, which are placed in different parts of the plane and then receive it from multiple locations around the world. Main drawbacks are cost , added weight of equipment for satellite transmission . As competition expands among airlines to offer passengers the latest in-flight entertainment options , intercontinental routes have been slow to add Internet service . Several airlines plans to start offering the service this year .
In-flight Internet relies on transmitting signals to the ground . The signal is sent through a series of antennas, which are placed in different parts of the plane and then receive it from multiple locations around the world. Main drawbacks are cost , added weight of equipment for satellite transmission . Several airlines plans to start offering the service this year .