Boeing 737 MAX program continues to make steady development progress since reaching Firm Configuration on the 737 MAX 8 in July. Engineers have completed an assessment of the airplane’s performance confirming an additional 1 percent fuel-efficiency improvement over the 13 percent already promised to customers. “Program and airplane performance just continues to improve,” said Keith Leverkuhn, vice president and general manager, 737 MAX program, Boeing Commercial Airplanes. “We have been very disciplined in our approach and continue to realize more benefit for our customers as we retire risk on the program and get further into development.” Airlines that will operate
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