Aircraft set for ETOPS and function-and-reliability testing ahead of planned 2027 deliveries

Aircraft assembled in 2019 reportedly became the first known 777-9 to be broken up before entering commercial service after years in storage

Stephanie Pope says TIA 4B authorization unlocks the largest remaining portion of FAA-supervised testing, although regulators now point to certification in 2027

Lufthansa is expected to become the launch operator of the long-delayed widebody, which has accumulated more than 540 orders

The aircraft took off from Everett and still displays the standard green protective coating

Older aircraft will need more extensive structural upgrades as Boeing works toward first 777-9 handovers in 2027

Certification trial simulates aborted takeoff at high speed and maximum weight

Milestone allows start of new round of flight and ground evaluations for largest twinjet

Group chief executive says decision on successor to long-haul workhorse may come sooner rather than later

Certification of training devices marks progress for program years behind schedule after technical setbacks and tighter regulatory scrutiny