Ivchenko AI-25

AI-25
Ivchenko-Progress AI-25 turbofan engine
TypeMedium Bypass Turbofan
National originSoviet Union
ManufacturerIvchenko-Progress
First run1966
Major applications
Number built9,360+
Developed intoDV-2

The Ivchenko AI-25 (Russian: Ивченко АИ-25) is a family of military and civilian twin-shaft medium bypass turbofan engines developed by Ivchenko OKB of the Soviet Union. It was the first bypass engine ever used on short haul aircraft in the USSR. The engine is still produced by Ukrainian based aircraft engine manufacturing company, Motor Sich.