AI-25TL, AI-25TLK Turbofan

The AI-25TL engine is designed for the installation on trainers, combat trainers, and light attack aircraft in the class of take-off weight up to 4,700kg. Installed on the L-39 trainer, AI-25TLK on the JL-8, K-8J aircraft. In commercial production since 1973.


Takeoff (SLS, ISA)
Thrust, kgf 1,720 1,720
Specific fuel consumption, kg/h/kgf 0.6 0.6
Cruise (Н=6,000m, М=0.483, ISA)
Thrust, kgf 515 515
Specific fuel consumption, kg/h/kgf 0.815 0.815
Dimensions, mm:,
(with exhaust pipe) мм
3,358 x 985 x 958 3,022 x 868 x 970
Weight, dry, kg 350 350
Specified service life, h 4,000 4,000
Applicability L-39 JL-8, K-8J(S, W)


  • L-39


  • JL-8