5-2-12

Failure to Display Assigned Beacon Code or Inoperative/Malfunctioning Transponder

JO 7110.65BB, Change 3, effective July 9, 2026 · Official text on faa.gov

Inform an aircraft with an operable transponder that the assigned beacon code is not being displayed.
Phraseology

(Identification) RESET TRANSPONDER, SQUAWK (appropriate code).
Inform an aircraft when its transponder appears to be inoperative or malfunctioning.
Phraseology

(Identification) YOUR TRANSPONDER APPEARS INOPERATIVE/MALFUNCTIONING, RESET, SQUAWK (appropriate code).
Ensure that the subsequent control position in the facility or the next facility, as applicable, is notified when an aircraft transponder is malfunctioning/inoperative.
Reference

FAA Order JO 7110.65, Para 5-3-3, Beacon/ADS-B Identification Methods.