The Sikorsky H-19 Chickasaw is a multi-purpose piston-engined helicopter that was used by the United States Army and United States Air Force. It was also license-built by Westland Aircraft as the West
An Army UH-19D Chickasaw
HRS-1 of the USMC, on display at a museum, 2014
Front three-quarter view of the Sikorsky H-19B Chickasaw helicopter at the National Museum of the United States Air Force showing the engine
UH-19B rotor head, with main rotors folded
The Mil Mi-4 is a Soviet transport helicopter that served in both military and civilian roles.
Sikorsky H-19 Chickasaw
…Harbin Z-5 – Chinese variant of Mi-4 Mil Mi-4 – similar design and built in response to H-19 Related lists…
Mil Mi-4AV at Prague Aviation Museum
MI-4 in Riga aviation museum
Mil Mi-4 of the Finnish Air Force