The Motor Sich Public Joint Stock Company (Ukrainian: ВАТ «Мотор Січ») in Zaporizhia is among the largest engine manufacturers for airplanes and helicopters worldwide. It is also the only enterprise in Ukraine manufacturing engines for airplanes and helicopters as well as industrial gas turbine installations.
Motor-Sich currently produces the D-18T turbofan which powers variants of the Antonov An-124 and An-225 freighters although the D-36/D-436 series remains the highest production-rate engine in the CIS
Motor Sich inherited most of the former Soviet Union's aero engine manufacturing capabilities. It produces turbofan, turboprop and rotary-wing turboshaft engines that power aircraft in Russian service such as Mi- and Ka-series military helicopters.
Among the company's new products, there is the MS-500V turboshaft engine intended for the Russian Ansat helicopter.