Другие вертолеты, построенные в США

Berliner-Williams, вертолет 1908 Berliner, вертолет 1919 Berliner, вертолет 1921 Bothezat, вертолет 1922 Bothezat, вертолет 1940 Curtiss-Bleecker, вертолет 1926 Wilford WRK Gyroplane 1931 Pennsylvania XOZ-1 1937 Froebe, вертолет 1937 Herrick, конвертоплан 1937 Platt-Le Page XR-1 1941 Higgins, вертолет 1943 Landgraf Model H-2 1944 Bendix Helicopter Model J 1945 Bendix Helicopter Model K 1945 Aeronautical Products Model 3 1945 Roteron XM-1 1946 Firestone XR-9 1946 Gazda "Helicospeeder" 1947 Marquardt M-14 1948 Glenview GMP.I Flyride 1953 Rotor-Craft X-2 Dragonfly / XR-11 1946 Rotor-Craft RH-1 "Pinwheel" 1954 Goodyear GA-400R "Gizmo" 1954 Adams-Wilson "Hobbycopter" 1958 Del Mar DH-1A Whirlymite 1958 Del Mar DH-2C Whirlymite 1963 Del Mar DH-20 1968 Continental Copters El Tomcat 1959 Larson-Holmes, вертолет 1958 Galaxie XRG-65 Glaticopter 1959 Air & Space 18A "Flymobil" 1959 Monte-Copter Model 15 Triphibian 1959 Haig-K HK-1 1959 Emigh "Commuter Jr" 1960 Rotorwing "Sportsman" 1960 Avian 2/180 "Gyroplane" 1961 Nagler NH 160 1956 Nagler VG-1 "Vertigyro" 1964 Northrop NV-101 1963 Bannick Model T Copter 1964 Weilage Boon helicopter 196? Scheutzow Model B 1967 Aerospace General "Mini-Copter" 1956 Spitfire Helicopter Mk.II 1978 Hillman Model 360 1981 American Aircraft "Penetrator" 1991 Load Ranger 2000 1997