Boeing And GE Aerospace Differ On Cause Of 777-9 ETOPS Testing Holdup

Boeing 777X test aircraft flying

The ETOPS test aircraft is the third production-standard unit off the line and also will be used for the function and reliability test phase.

Credit: Marian Lockhart/Boeing
Program delays are nothing new for Boeing in recent times, but fresh revelations of potential short-term holdups to finalizing 777-9 certification have rattled markets and exposed strains in its close relationship with engine-maker GE Aerospace. At issue is the timing of approval to begin extended...
Guy Norris

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

Sean Broderick

Senior Air Transport & Safety Editor Sean Broderick covers aviation safety, MRO, and the airline business from Aviation Week Network's Washington, D.C. office.

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