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What is a Squawk 7700?
A Squawk 7700 is a universal emergency code pilots transmit via their aircraft's transponder. It immediately alerts air traffic control to a general emergency, like the 'technical issue' on the British Airways flight. This code helps controllers prioritise the affected aircraft, clearing airspace and preparing for its arrival, ensuring a safer resolution to the situation.
Stories that explain this
Chicago-Bound British Airways Jet Turns Back After Emergency Over Ireland British Airways flight from Dublin declares emergency but lands safely at Heathrow Jet2 flight makes emergency landing in Paris after U-turn over FranceRelated explainers
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