Boeing begins 777-9 certification flight trials with US FAA By Reuters
(Reuters) -Boeing has started certification flight testing of its long-delayed 777-9 with U.S. aviation regulators onboard, the U.S. planemaker said...
certification
(Reuters) -Boeing has started certification flight testing of its long-delayed 777-9 with U.S. aviation regulators onboard, the U.S. planemaker said...
