List of rotorcraft used in World War II
Germany
Some types in use of Luftwaffe and Kriegsmarine- Baumgartl Heliofly I
- Baumgartl Heliofly III-57
- Baumgartl Heliofly III-59
- Doblhoff WNF 342
- Flettner Fl 265
- Flettner Fl 282A/B "Kolibri"
- Flettner Fl 339
- Focke-Achgelis Fa 223 "Drache" - military transport helicopter, saw limited use for rescue
- Focke-Achgelis Fa 225 - single-seat rotary wing glider, one built
- Focke-Achgelis Fa 330 "Bachstelze"
- Focke-Wulf Fw 61 - World's first practical helicopter, first flown in 1936.
- Focke-Wulf Fw C.30A - licence-built Cierva C.30A
- Nagler-Rolz NR 54
- Nagler-Rolz Nr 55
United States
In use by USAAF, US Navy and US Coast Guard- Kellett KD-1
- Platt-LePage XR-1
- Sikorsky R-4B "Hoverfly"
- Sikorsky YR-4B "Hoverfly", version of R-4, known as HNS-1 in Navy service
- Sikorsky R-6
- Sikorsky R-5A
- Vought-Sikorsky VS-300
United Kingdom
In use by RAF and FAA- Avro 671 "Rota" Mk.1
- Bristol "Heliogyro" RI/II
- Cierva W.5 - 2-seater twin outrigger rotor helicopter, first flight 1938.
- Cierva W.6 - twin rotor helicopter, flown in 1939
- Cierva W.9 - jet efflux torque compensation design. Built in 1944 and flown in 1945.
- Hafner Rotabuggy - rotary wing glider attachment for landing jeeps. Tested in 1944 but introduction of vehicle-carrying gliders led to cancellation of project.
- Hafner Rotachute - one-man rotor-kite for landing assault troops. Not adopted but used instead for testing in support of Rotabuggy project
- Sikorsky "Hoverfly" I - service name for Sikorsky R-4 used at RAF Helicopter Training School from 1945
Canada
In use for RCAF- Avro 671 "Rota" Mk.1
- Sikorsky R-4B "Hoverfly"
Soviet Union
In use for Red Army and Soviet Air ForcesJapan
In use by Japanese Army/Navy Air ServiceFrance
In use for French Army- Breguet-Dorand Gyroplane Laboratoire
- Dorand G.20