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

On Thursday, March 6th, the National Transportation Safety Board (NTSB) released its preliminary report about the Learjet 55 ...

The cockpit voice recorder on the medical transport plane that crashed killing seven, had likely been nonfunctional for years ...

PHILADELPHIA (WPVI) -- The National Transportation Safety Board has released its preliminary report into the Northeast ...

The crash in a residential and commercial area of Philadelphia killed all six people on board the plane and one person on the ...

Preliminary investigations found the pilot’s black box recorder did not record audio from the Jan. 31 flight and likely hadn’t worked in years.

A cockpit voice recorder was not functioning in an air ambulance that crashed in Philadelphia a minute after takeoff Jan. 31, according to a preliminary report from the National Transportation Safety ...

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