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SESK: Stuff Everyone Should Know · sesk.info/pilot-squawk-7600-radio-failure

Which transponder code tells ATC your two-way radio has failed?

7600.

  1. 7700
  2. 7600 ✔
  3. 7500

Why: The AIM says to set 7600 after losing two-way radio. In VFR conditions, continue VFR and land as soon as practicable. 7700 is a general emergency and 7500 is a hijacking.

Huh, didn't know that: 'As soon as practicable' is not 'as soon as possible'; the pilot can pick a sensible airport.

The dad joke
Why did the radio and the microphone break up? There was no communication.
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Sources

  1. AIM 6-4 Two-way Radio Communications Failure https://www.faa.gov/air_traffic/publications/atpubs/aim_html/chap6_section_4.html
  2. AIM 6-3 Distress and Urgency Procedures https://www.faa.gov/air_traffic/publications/atpubs/aim_html/chap6_section_3.html

Test yourself in the game

Flying & DronesUnless ATC says otherwise, which transponder code does a VFR pilot use?Flying & DronesOn a VFR cross-country and not talking to ATC, which frequency would you use in an emergency?Flying & DronesWhich aircraft has the right of way over all other air traffic?

That's stuff everyone should know.