HELICOPTERS
Time Period
Alphabetical By Country of Origin
France Cornu 1907 Helicopter 1907-1922 Tandem Rotor Spain Pescara 1F Spain Pescara 2S USA Aeronautical Products Model 1 1940-1945 Single Main Rotor w/ Tail Rotor USA Aeronautical Products Model 3-A 1940-1945 Single Main Rotor w/ Tail Rotor USA Sikorsky Aircraft XR-4 1940-1945 USA American Helicopter XA-5 Top Sergeant 1946-1949 Torqueless Single Main Rotor USA Bell Aircraft HTL-2 1946-1949 Single Main Rotor w/ Tail Rotor USA Bell Aircraft Model 47B 1946-1949 USA Sikorsky Aircraft S-54 1946-1949 USA Sikorsky Aircraft S-55 1950-1954 USA Bell Aircraft Model 30 Ship 1 USA Bell Aircraft Model 30 Ship1-A USA Bell Aircraft Model 30 Ship 2 USA Bell Aircraft Model 30 Ship 3 USA Sikorsky Aircraft S-51 USA Sikorsky Aircraft S-52-1 USA Sikorsky Aircraft S-52-2 USA Sikorsky Aircraft S-52-3 USA Sikorsky Aircraft S-53 USA Sikorsky Aircraft YR-4A USA Sikorsky Aircraft YR-4B