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The Mil Mi-4
/DoD reporting name "Type 36"
reporting name "Hound"
.) was a Soviet transport helicopter
that served in both military and civilian roles.
Design and development
The Mi-4 was designed in response to the American H-19 Chickasaw
and the deployment of U.S. helicopters during the Korean War
. While the Mi-4 superficially resembles the H-19 Chickasaw, it is a larger helicopter and is able to lift more weight. The first model entered service in 1952
, and replaced the Mi-1
. The helicopter was first displayed to the outside world in 1952 at the Soviet Aviation Day in Tushino
One Mi-4 was built with a jettisonable rotor
. It served as an experimental vehicle for future pilot safety and ejection designs.
The Mi-4 transport helicopter laid the beginning of the Soviet Army Aviation, it was widely used both in the armed forces and in the national economy and for several decades remained the main type of helicopter in the inventory of the Soviet Armed Forces
and of the Civil Air Fleet. The Mi-4 went out of service with the... Read More