The crash of a UPS MD-11 freighter during takeoff from Louisville has rapidly shifted from a mystery to a focused hunt for answers inside the left engine and the hardware that held it to the wing.

The planemaker is said to have told the airline that the MD-11's engine flaw was not a flight safety risk.

Newly released NTSB filings detail how UPS and Boeing differ over maintenance guidance and inspection procedures before the ...

Federal safety investigators opened two days of hearings Tuesday to examine why the engine flew off a UPS cargo plane last year, causing a crash that killed 15 people, and why Boeing didn't address an ...