rotorcraft; rotary-wing aircraft
Technical term for aircraft that use rotating wings (rotors) for lift, such as helicopters and autogyros. Contrasts with 固定翼機 (fixed-wing aircraft).
See also: 固定翼機 (こていよくき)
Rotorcraft include helicopters and autogyros.
この空港では回転翼機の離着陸が頻繁に行われている。
Rotorcraft take off and land frequently at this airport.