The crash Friday evening killed all six people on air ambulance, along with one person on the ground, and injured 24 people.

NTSB investigators found the Learjet 55's cockpit voice recorder Sunday. The agency said it was 8 feet down at the site of ...

The NTSB has released a photo of a potentially vital piece of evidence that could help answer several questions left ...

The plane had reached about 1,500 feet before it plummeted to the ground in Philadelphia, NTSB Chairman Jennifer Homendy said ...

Investigators from the NTSB released photos of the cockpit voice recorder recovered from a medical transit jet that crashed in Philadelphia.