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

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

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

The National Transportation Safety Board has released a preliminary investigation into the Philadelphia medevac jet crash ...

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

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

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 ...

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

The cockpit voice recorder -- or black box -- recovered from the deadly Philly plane crash never recorded the flight, the NTSB revealed.