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

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

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

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 ...

Investigators retrieved the aircraft’s cockpit voice recorder, which was buried under eight feet of debris. However, it's likely it had not been recording audio for years. The aircraft’s ...

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.

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

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

PHILADELPHIA (AP) — The cockpit voice recorder was not working on a medical transport plane that crashed in Philadelphia in January and likely had not been working for several years, the ...