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

The preliminary report on the Philadelphia jet crash found the cockpit voice recorder likely hadn't recorded audio for ...

The cause of the medical jet crash in Philadelphia is under investigation, but we now know the cockpit voice recorder was not ...

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

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

The National Transportation Safety Board has released preliminary findings into the crash of the medical Learjet that ...

That and the whole flight data recorder are important to find out what went wrong so it can be prevented in the future.” ...

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

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.