The Mil Mi-1 (was a Soviet three- or four-seat light utility helicopter. It was the first Soviet helicopter to enter serial production. It is powered by one 575 hp Ivchenko AI-26V radial. It entered service in 1950 and was first seen on the 1951 Soviet Aviation Day Tushino and was produced for 16 years. More than 1 000 were built in the USSR and 1 594 in Poland as SM-1.
Made by Mil Moscow Helicopter Plant.
Mil Mi-1 is the predecessor of the PZL SM-2.