Transponder Codes Made Easy: A Pilot’s Survival List
Pilot Institute
FEBRUARY 28, 2025
Pilots and ATCs daily use transponder codes, also known as squawk codes. Some standard codes include: 1200: VFR (Visual Flight Rules) standard squawk 7500: Hijacking alert 7600: Radio communication failure 7700: Emergency situation If ATC tells you to Squawk IDENT, you activate the IDENT button on your transponder.
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