Preliminary data released by the NTSB regarding the agency’s investigation into the Feb 20. in-flight failure of a Pratt & Whitney PW4077 on a United Airlines Boeing 777-200ER over Colorado confirm the fracture surface of the broken blade at the center of the event was consistent with fatigue damage.

A listing of airworthiness directives and bulletins from around the world.

A listing of airworthiness directives and bulletins from around the world.

As the Pentagon is grappling with how to maintain the F135 engine powering F-35 fighters, the engine on a Boeing airliner failed on a flight in the western U.S. Aviation Week editors discuss what these incidents mean for safety and reliability as well as the future of military engines.

Boeing failed to meet its obligations in five of 12 areas specified in a 2015 agreement with the FAA that required various safety and quality-control improvements in its Commercial Airplanes division and will pay $5.4 million in new penalties as a result, the FAA said Feb. 25. 

When any new aircraft is launched into the market, the headline items from the manufacturer describing the new product usually relate to parameters…

U.S. NTSB investigators determined metal fatigue is suspected as the reason a fan blade fractured just before an in-fight engine failure suffered by United Airl

The FAA plans to order stepped-up inspections of Pratt & Whitney PW4000 engines like the one the failed on a United Airlines Boeing 777-200 near Denver on Feb. 20.