CommercialCivil helicoptersSikorsky XHJS1947 prototype light utility helicopter model by Sikorsky1947
CommercialCivil helicoptersBristol Aeroplane Company Type 171 SycamoreHelicopter family by the Bristol Aeroplane Company1947
CommercialCivil helicoptersHiller Aircraft Company UH-121948 utility helicopter family by Hiller1948217 km
CommercialCivil helicoptersVereinigte Flugtechnische Werke VFW-Fokker H31970s German experimental helicopter1971
CommercialCivil helicoptersCurtiss-Wright VZ-71958 quadrotor helicopter prototype model by Curtiss-Wright1958
CommercialCivil helicoptersWestland Aircraft WS-51 Dragonfly1948 utility helicopter series by Westland Aircraft1948
CommercialCivil helicoptersWestland Aircraft WS-61 Sea KingMulti-role helicopter family by Westland1969
CommercialCivil helicoptersCurtiss-Wright X-191963 experimental tiltrotor aircraft by Curtiss-Wright1963
CommercialCivil helicoptersPiasecki Helicopter Corporation X-49Experimental aircraft by Piasecki Aircraft2007
CommercialCivil helicoptersChanghe Aircraft Industries Corporation Z-11Light utility helicopter1994240 km/h596 km
