🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoPolskiРусскийالعربيةفارسی中文日本語EntityQ54933180· pop 17· linked from 133 articlesSB-1 Defiantexperimental gyrodyne by Sikorsky and BoeingConnectionsBoeing CH-47 ChinookEntitySikorsky S-97 RaiderEntityCategories2010s United States experimental aircraftAircraft first flown in 2019Boeing aircraftCoaxial rotor helicoptersCompound helicoptersSikorsky aircraftUnited States military helicopters