Investigators don't yet know what caused the engine failure that forced Southwest Airlines Flight 1380 to an emergency landing in Philadelphia on Tuesday, but it has similarities to an incident with ...

U.S. airline regulators have ordered inspections on engine fan blades like the one that snapped off a Southwest Airlines plane, leading to the death of a woman who was partially blown out a window.

Pratt & Whitney (P&W) and Boeing are asking the Federal Aviation Administration for more time and for regulatory exemptions as part of design changes they are making to PW4000-112 turbofans and the ...