Ivchenko AI-26

AI-26
Polish-made AI-26V (LIT-3) used to power SM-1 (Mi-1) helicopter, displayed in Finnish Aviation Museum
TypeRadial engine
National originSoviet Union
ManufacturerIvchenko
First run1945
Major applicationsMil Mi-1

The Ivchenko AI-26 (Russian: Ивченко АИ-26) is a seven-cylinder air-cooled radial engine used in early Soviet helicopters and later used in light utility aircraft.