UEC NPOSaturn, PJSC (Russian: ОДК-Сатурн НПО) is a Russian aircraft engine manufacturer, formed from the mergers of Rybinsk Motors and Lyul'ka-Saturn (after
airliner. NPOSaturn is a Russian aircraft engine manufacturer, formed from the mergers of Rybinsk and Lyul'ka-Saturn. Saturn's engines include Lyulka AL-31
PAK FA's avionics suite. In April 2004, NPO Lyulka-Saturn (now NPOSaturn) was signed as the contractor for the AL-41F1 engines with the development designation
14.12 kN of thrust. All production models will use the more powerful NPOSaturnAL-55I engine with about 16.9 kN of thrust, as stipulated by the 2005 air