English Dictionary

mast bumping

noun

(aviation) A dangerous condition where the mast of a helicopter contacts adjacent fixed structure while rotating, damaging the mast and potentially resulting in the separation of the main rotor from the helicopter.

Mast bumping can cause serious damage to the aircraft.

意味（1）

(aviation) A dangerous condition where the mast of a helicopter contacts adjacent fixed structure while rotating, damaging the mast and potentially resulting in the separation of the main rotor from the helicopter.