March 3, 2021| 71 0

Boeing 777X Undergoes Long-Range Flight Testing

Boeing’s 777X program is pushing ahead in its certification efforts, with one of the demonstrators spotted doing long-range flight testing this week. So far, N779XZ has undertaken five long-range tests, following a stint in Alaska for cold soak testing. Here’s an update on what’s going on with the flight tests for the 777-9. 777X takes a five-hour f …

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