General
bingo fuel
What does bingo fuel mean?
A pre-briefed fuel level at which an aircraft must break off and head home to land with a safe reserve.
"We're at bingo fuel — RTB now."
Origin
US military aviation terminology.
Frequently asked questions
What is 'bingo fuel'?
It's the pre-briefed minimum fuel level at which an aircraft must break off its task and head back to base to land with a safe reserve.
What happens when a pilot hits bingo fuel?
They break off whatever they're doing and return to base (RTB), since staying any longer risks not having enough fuel to land safely.
Can 'bingo' be used alone?
Yes — pilots often just call 'bingo' to signal they've reached that minimum fuel state.
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