CommercialCivil helicoptersCierva Autogiro Company C.19Two-seat autogyro model by Juan de la Cierva1929
CommercialCivil helicoptersCierva Autogiro Company C.9Experimental autogyro model by Juan de la Cierva1927
CommercialCivil helicoptersAirbus Helicopters Dauphin 2Multi-role helicopter family by Aérospatiale1975
CommercialCivil helicoptersGeorge de Bothezat de Bothezat helicopterExperimental helicopter, U.S. Army Air Service, 19221922