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

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

Air traffic controller failed to notify commercial plane crew about approaching Army helicopter before Washington D.C.

The National Transportation Safety Board is launching a three-day investigation hearing on the D.C. plane crash that left 67 ...

The National Transportation Safety Board (NTSB) is holding a three-day hearing on the deadly plane crash at Reagan Airport ...

They were fiancés, mothers, fathers, friends, pilots, lawyers, hunters, coaches and figure skaters. These are the 67 people ...

The communications between pilots and air traffic control were laid out in a visual timeline in Day One of the NTSB ...

Federal investigators opened a three-day inquiry Wednesday into the January plane crash that killed 67 people over Washington ...

The NTSB showed the harrowing video of the Jan. 29 crash over the Potomac River as the agency kicked off a three-day hearing into the deadly crash.

The National Transportation Safety Board began its three days of investigative hearings on Wednesday into January's midair ...

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