Also Known As
AI-25TL (engine powering the L-39 trainer) AI-25TLK (engine powering the JL-8/K-8J trainer) AI-25TLSh (engine designed to power upgraded L-39)
Origin Russia
Contractor/s Ivchenko-Progress Motor Sich Applications
K-8 Karakorum L-39 Albatros Yak-40
Description:
The AI-25 is a turbofan engine developed by Ivchenko-Progress to power the Yak-40 tri-jet airliner and M-15 agricultural airplane. The engine is the starting point for DV-2 turbine which is the basis for AI-22 and AI-222 engine families. Launched in 1965, first tested in 1966 and cleared for production in 1967 with approximately 6,300 engines produced to date. The AI-25TL was designed to power the L-39 trainer and the first flight was carried out in 1968. More than 3,000 AI-25TL engines were sold to customers worldwide. The AI-25TLK version was developed to power the Chinese trainer JL-8/K-8J with 58 such engines ordered and delivered beginning in 1997. In the late 1990s, Ivchenko-Progress launched the improved AI-25TLSh to extend the service life of L-39 trainers. The first L-39 powered by AI-25TLSh entered flight testing with the Ukrainian Ministry of Defense in June 2002.
All in, more than 9,360 AI-25 engines of all versions were delivered from 1967 onwards. The engine has been in production at Ivchenko-Progress and Motor Sich plants at Zaporozhye (Russia). A further development known as AI-25TL Series 2 was designed to power the Mig-AT trainer.
Specifications Dimensions: Height 896 mm, Length 1,993 mm, Width 820 mm
Weights: Dry Weight 312 kg (688 lb)
Engine/s Performance: Max Cruise Thrust 1,500 kg (3,307 lb), Max Takeoff Thrust 443 kg (977 lb)
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