alert five
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
On an aircraft carrier, the state where fighters and crew are on guard, standing by in the aircraft, strapped in and ready to be launched in five minutes or less.
Register: slang
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “alert five” mean?
On an aircraft carrier, the state where fighters and crew are on guard, standing by in the aircraft, strapped in and ready to be launched in five minutes or less.
Is “alert five” formal or informal?
alert five is generally slang.