The NTSB concluded three days of investigative hearings into the collision between an Army helicopter and a passenger plane ...

A long list of things went wrong in January and contributed to the collision between an Army helicopter and an American ...

The hearing opened Wednesday with a video animation showing where the helicopter and airliner were leading up to the collision. It showed how the helicopter flew above the 200 feet (61 meters) ...

An NTSB investigation into a fatal helicopter-airplane collision in D.C. revealed a faulty helicopter altimeter and prior ...