Pilot/Controller Glossary
AIR DEFENSE EMERGENCY
This reproduces published FAA reference text for study. It does not replace the current official FAA publication or regulation.
A military emergency condition declared by a designated authority. This condition exists when an attack upon the continental U.S., Alaska, Canada, or U.S. installations in Greenland by hostile aircraft or missiles is considered probable, is imminent, or is taking place.
Retrieved from ecfr.gov on July 18, 2026.