The first engine decision pitting Pratt & Whitney’s geared turbofan against an advanced Rolls-Royce turbofan for a narrowbody successor is expected within the next week following a Russian government ultimatum to the makers of the MS-21 that it must make a final choice by Nov. 20. Irkut, the lead contractor in Russia’s United Aircraft Company (UAC) is also expected to make key final selections on avionics and flight controls for the MS-21. According to industry sources, the move ...


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