The absolute minimum amount of fuel required for an aircraft to return to an airport and conduct a safe landing.
"We are three minutes until bingo fuel. If you can't retrieve the rescue swimmer by then, we will leave him behind."
by pcbene June 29, 2017
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An aviation term indicating that the aircraft has barely enough fuel to return to home base safely.
Negative home base, I'm running on bingo fuel. Request return to airfield.
by D-Man2426 December 19, 2013
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