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

Authorities have released their preliminary report about the Philadelphia plane crash that killed seven people in January.

The cockpit voice recorder was not working on a medical transport plane that killed seven people when it plummeted into a ...

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

WICHITA, Kan. (KWCH) - A critical part of the NTSB investigation into the events leading up to the midair collision between ...

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, known as the "black box," from a plane that crashed and left seven people dead soon after takeoff from a Philadelphia airport didn't record the aircraft's final moments ...

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

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

We now know the cockpit voice recorder, which was recovered from the impact crater 8 feet below the sidewalk, was not functioning, according to an NTSB preliminary report released Thursday.

PHILADELPHIA (AP) — The cockpit voice recorder was not working on a medical transport plane that killed seven people when it plummeted into a Philadelphia neighborhood in January and likely had ...