The MS-21 is a twin-engine, narrowbody derivative of the defunct Yak-242 airliner being developed by Yakovlev (a subsidiary of Irkut in Russia’s United Aircraft Corp., or UAC). Planned for first flight in 2014, it will come in three variants, all available in both basic and extended-range versions: the MS-21-200 (150 passengers), -300 (181 passengers) and -400 (212 passengers). The MS-21 will be powered by Pratt & Whitney’s PW1000G geared turbofan or the optional Aviadvigatel PD-14. ...


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