Boeing’s 737 MAX development program is accelerating with the addition of a third flight-test aircraft, completion of the initial production airframe and FAA clearance for the start of the certification test phase. The third airframe, 1A003, joined the program following its first flight from Boeing’s Renton, Washington, facility on April 14 and will be used for systems and propulsion certification tests, including validation of the 737’s new fly-by-wire spoilers and ...


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