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New Satellite Network Will Make It Impossible For a Commercial Airplane To Vanish (cbsnews.com)
pgmrdlm quotes a report from CBS News: For the first time, a new network of satellites will soon be able to track all commercial airplanes in real time, anywhere on the planet. Currently, planes are largely tracked by radar on the ground, which doesn't work over much of the world's oceans. The final 10 satellites were launched Friday to wrap up the $3 billion effort to replace 66 aging communication satellites, reports CBS News' Kris Van Cleave, who got an early look at the new technology.
On any given day, 43,000 planes are in the sky in America alone. When these planes take off, they are tracked by radar and are equipped with a GPS transponder. All commercial flights operating in the U.S. and Europe have to have them by 2020. It's that transponder that talks to these new satellites, making it possible to know exactly where more than 10,000 flights currently flying are.
On any given day, 43,000 planes are in the sky in America alone. When these planes take off, they are tracked by radar and are equipped with a GPS transponder. All commercial flights operating in the U.S. and Europe have to have them by 2020. It's that transponder that talks to these new satellites, making it possible to know exactly where more than 10,000 flights currently flying are.
I think they also need to make it impossible to turn off GPS. IIRC, that's what the pilot did on flight MH370.