Cooper vane

名词 n.
中文释义

英文释义

名词 n.
  1. A mechanical aerodynamic wedge that prevents the ventral airstair of an aircraft from being lowered during flight.

词形变化

Cooper vanes plural

词源

After Dan Cooper, the false name used by an unidentified hijacker who used the rear stairway to exit a Boeing 727 in flight and escape using a parachute.
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