CFM International says the upgraded CFM56-7BE for the Boeing 737 is expected to win FAA engine certification by the end of July, with EASA approval to follow soon after. The engine, which contributes 1.5% towards an overall aircraft level fuel burn improvement, is due to be flight-tested on a 737 in the second quarter of 2011 and enter service by the end of that year. The engine will then become the standard 737 powerplant from mid-2011 onwards. Discussions meanwhile continue with ...


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