The aircraft emergency code 7700 is an emergency distress signal. The 7700 code indicates an emergency situation, such as mechanical failure or sudden illness of a person on board, but it does not necessarily mean that the aircraft is in a very dangerous situation; the pilot is During the flight, if special circumstances are encountered, the response code will be set to a special code.
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The 7700 code indicates an emergency situation, such as mechanical failure or sudden illness of a person on board, but it does not necessarily mean that the aircraft is in a very dangerous situation.
Code Meaning
When pilots encounter special circumstances during flight, they will set the response code to a special code. This special coding allows the aircraft to be distinguished as a red mark in the air traffic control radar system, reminding air traffic control personnel and other air crews to pay attention to avoidance. In the event of a hijacking, the pilot will set the transponder to 7500. In this way, even if the pilot does not call the ground via radio or other means, the ground controller can determine that the aircraft has been hijacked through the transponder signal.
Industry insiders remind that when the plane is diverted, passengers on the plane should wait quietly and not move around. When an aircraft makes an emergency landing, people on board should maintain correct postures. For example, adults and children should lean forward, put their heads on their knees, hold their legs tightly with their hands, push their feet flat on the ground, and fasten their seat belts; The baby is wrapped in clothes or blankets and held diagonally in his arms, with his head leaning against the inside of the tunnel.
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