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CFI lesson plans to teach aviation lessons as a Certified Flight Instructor

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SQUAWK (Mode, Code, Function)

« Back to Glossary Index

Used by ATC to instruct a pilot to activate the aircraft transponder and ADS-B Out with altitude reporting enabled, or (military) to activate only specific modes, codes, or functions.

Source FAA Pilot/Controller Glossary↗ · checked 2026-08-25

« Back to Glossary Index

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