A key piece of hardware that aviation experts and pilots said could solve the mystery in the fatal crash of the medical ...

The National Transportation Safety Board says a cockpit voice recorder was not working on a medical transport plane that ...

Federal investigators announced that a key piece of machinery appeared to have stopped working years before a crash that ...

Five weeks after a medical plane crashed in Philadelphia, leaving seven people dead​, the cause is still under investigation.

Investigators have not yet determined what caused the Learjet 55 to nosedive seconds after takeoff on Jan. 31. The crash ...

Jeff Guzzetti, a former NTSB investigator, said that the lack of a functional voice recorder would make investigating the ...

The plane's crew was in communication with the air traffic control tower at the time of the accident, and no distress calls ...

The National Transportation Safety Board typically releases its preliminary findings in accidents within 30 days. That deadline was Monday.

US investigators have disclosed that the cockpit-voice recorder on the ambulance Learjet 55 which fatally crashed in ...

The cockpit voice recorder was not working on a medical transport plane that crashed in Philadelphia in January and likely ...