A type of Pratt & Whitney engine on Boeing 777s has failed catastrophically three times in a three-year span. Federal investigators are trying to figure out why.

Jet engines generate much more power than automobile engines, with a fully loaded Boeing 777 engine producing about 61,700 horsepower. Turbofan engines function through compression, combustion ...

Asiana Airlines Boeing 777’s crash landing at San Francisco Airport raised additional concerns about the safety of the U.S. plane maker’s best sellers.

Boeing reportedly resumed 777X test flights after grounding the fleet due to an engine mounting structure failure. Delivery of the 777-9 is now delayed to 2026, with smaller and freighter versions ...

For years, Lufthansa and EK have fought over the Boeing 777-9 launch customer title. Ambiguity developed because of shifting ...

Boeing confirms German carrier Lufthansa will be the launch operator for the in-certification 777-9, settling uncertainty ...

The FAA ordered inspections of some Boeing 777s and the plane maker recommended they be grounded, after an engine on a United jet broke apart in flight. WSJ’s Andrew Tangel reports on how Boeing ...

The programme was already significantly behind schedule when the company in late August last year confirmed it halted 777-9 test flights after discovering that an engine-related structural ...