Cooper vane en · NOUN
Etymology
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.
Meanings
- A mechanical aerodynamic wedge that prevents the ventral airstair of an aircraft from being lowered during flight.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| Cooper vanes | Number=Plur | lexicographic |