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Results tagged with apu
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user 1875
Auxiliary Power Unit. A device for providing alternate power to an aircraft, usually located in the aircraft's tail.
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What is the loud noise of a helicopter when the rotors are not yet moving?
What is the loud noise when a helicopter is ready to start flying, but the rotor is not yet rotating?
For example at Trump's "chopper talk", when he is intercepted by reporters on the way to Marine …
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