Boeing's flagship aircraft is now around seven years behind schedule.
The airplane must receive crucial ETOPS certification.
Boeing (BA) has secured a significant regulatory milestone for its long-delayed 777X jetliner after receiving approval from the Federal Aviation Administration to begin a critical phase of ...
EVERETT, Feb 3 (Reuters) - Boeing plans ‌the first flight of a production ‌777X in April, a company document seen by Reuters shows, an important signal of progress for the planemaker's long-delayed ...