Daily Memo: 777X Certification And The Derivative Dilemma

777X
Credit: David Ryder / Getty Images
In normal times, any new airliner program that is three years late and yet to begin certification 17 months after first flight would be considered nothing less than a disaster. But these are not normal times. While Boeing is unlikely to get certification tests of the 777-9 underway anytime soon...
Guy Norris

Guy is a Senior Editor for Aviation Week, covering technology and propulsion. He is based in Colorado Springs.

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