🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisNederlandsTiếng ViệtРусскийالعربيةفارسی한국어日本語EntityQ1915114· pop 12· linked from 213 articlesMcDonnell XV-11954 experimental compound gyroplane model by McDonnell AircraftConnectionsMcDonnell Aircraft CorporationEntityR-975 WhirlwindEntityCategories1950s United States helicoptersAircraft first flown in 1954Aircraft with skid landing gearGyrodynesHigh-wing aircraftMcDonnell aircraftRotorcraftSingle-engined pusher aircraftSlowed rotorTipjet-powered helicopters