Designed to power Su-27 and its modifications, Su-33 carrier fighters, Su-35 multipurpose fighters, Su-34 front-line bombers
Saturn AL-31FN with low aircraft accessories positioning. The engine is designed at NPO Saturn for a special order of a foreign customer in short-time period. The engine was fully tested in accordance with requirements of the Russian Federation. First engines are supplied to the customer. At present specialists of NPO Saturn maintain the engines within flight and design testings of the aircraft.Saturn AL-31FP is a high temperature by-pass engine of modular design. A specific feature of Saturn AL-31FP is an axisymmetric vectoring nozzle with a thrust vector angle of ±15° in the vertical plane providing super maneuverability of the aircraft. The vectoring nozzle control is integrated with the engine control system. AL-31FP engines ensure stable operation in all available evolutions of the aircraft in super maneuverability modes. Saturn AL-31FP engines power advanced multipurpose Su-30MKI and Su-37 fighters of the 4+ generation
Saturn AL-31F is a high temperature engine with afterburner of modular design, flow mixing after the turbine. It is high reliable and demonstrates stable operation under extreme conditions for inlet irregularities and fluctuations levels.Under operation a modular design of Saturn AL-31F allows replacement of a nozzle, afterburner, mixer, reduction gear and other components; repair and replacement of the 1st stage blades of LP compressor and all stages of HP compressor.
