Communications

Squawk 7700

Definition

The emergency transponder code set when declaring an emergency. Squawking 7700 triggers an alert on all ATC radar screens, highlighting the aircraft for priority handling and immediate assistance.

Related Terms

Squawk Code

A four-digit octal code set on the aircraft transponder for ATC identification. ...

Transponder

An aircraft electronic device that responds to ATC radar interrogation by transm...

Mayday

The international distress call indicating an aircraft is in grave and imminent ...

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