The CFM International LEAP-1B engine that will exclusively power the re-engined Boeing 737 MAX is now in flight testing. Boeing and CFMI said Thursday that flight testing began April 29 on a modified 747 flying testbed at GE Aviation’s flight testing center in Victorville, California. “The testing is the next major milestone in a two-year program that will culminate in engine certification in 2016 and delivery of the first Boeing 737 MAX in 2017,” Boeing and CFMI said in a ...

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