Pilot/Controller Glossary
DETRESFA (DISTRESS PHASE) [ICAO]
This reproduces published FAA reference text for study. It does not replace the current official FAA publication or regulation.
The code word used to designate an emergency phase wherein there is reasonable certainty that an aircraft and its occupants are threatened by grave and imminent danger or require immediate assistance.
Retrieved from ecfr.gov on July 18, 2026.