The jet, a Falcon 20e G-FRAF, sent the code at 3,400ft in the air near the Bournemouth coast, with flight tracking data showing it had overflown the English Channel just before. It is not yet known what the plane’s destination was nor why the 7700 signal was transmitted. Writing for Flightradar24, Boeing flight captain Ken Hoke explained squawking is a way an aircraft declares an emergency with traffic control, so they can receive on-the-ground assistance.
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