Ivchenko AI-25

AI-25
Ivchenko-Progress AI-25TL turbofan engine
Type Medium Bypass Turbofan
National origin Soviet Union
Manufacturer Ivchenko-Progress
First run 1966
Major applications Aero L-39 Albatros
Hongdu JL-8
Yakovlev Yak-40
Number built 9,360+
Developed into DV-2
An AI-25 from an Aero L-39 Albatros

The Ivchenko AI-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.