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Initial Operational Capability (IOC): 1967
Total Production: 6,300
Also Known As: AI-25TL, AI-25TLK, AI-25TLSh and WS-11
Origin: Russia
Corporations: Ivchenko-Progress and Motor Sich
Parent System: AI-25
Initial Operational Capability (IOC): 1967
Total Production: 9,360
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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.

AI-25 Applications

Airliners Yak-40 Combat Aircraft K-8 Karakorum L-39 Albatros Support Aircraft Xianglong

AI-25 Specifications

Service Life Flight Hours: 18,000
Height: 896 millimeter (35.3 inch)
Length: 1,993 millimeter (78 inch)
Width: 820 millimeter (32.3 inch)
Dry Weight: 312 kilogram (688 pound)
Max Cruise Thrust: 1,500 kilogram
Max Takeoff Thrust: 1,700 kilogram (3,748 pound)
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

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