Flight 427 crashed outside Pittsburgh International Aiport on Sept. 8, 1994, killing all 132 onboard. It remains the deadliest in Pennsylvania’s history. But what caused the crash?

For example, the investigation into the crash of USAir Flight 427 in 1994 took over four years, but it will strive to complete the process in a timely manner, circumstances permitting.

It took only four minutes for the first emergency services vehicles to arrive at the crash site, but for many, seeing the effects of USAir Flight 427's crash was the beginning of many long hours ...

Remembering USAir Flight 427, the worst aviation disaster in Pennsylvania history PITTSBURGH (KDKA) -- On Sept. 8, 1994, smoke billowed into the air over Hopewell Township, Beaver County after ...

The National Transportation Safety Board uncovered more than 15,000 “near-miss events” between helicopters and jets at Reagan National airport in just three years leading up to the American ...

The NTSB issued urgent safety recommendations to Boeing and the FAA about the risk of a 737 rudder malfunction because of a manufacturing fault.

Just after 7 p.m. that night, he got the call US Air Flight 427 crashed outside of Pittsburgh. Since he was on-call, he became the investigator-in-charge.

The National Transportation Safety Board issued urgent safety recommendations Thursday to Boeing and the FAA about the risk of a 737 rudder malfunction because of a manufacturing fault in a component.