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

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

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 ...

Friday was the final day of the National Transportation Safety Board's (NTSB) three-day hearing on the deadly plane crash at ...

The Army helicopter that collided with a plane over D.C. in January had incorrect altitude readings, contributing to the ...

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

Investigators so far have highlighted several factors that may have contributed to the collision, which left 67 people dead.

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

The National Transportation Safety Board, during hearings on Thursday, grilled officials from the Army, air traffic ...

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

The new details were part of thousands of documents -- including new video from the end of the runway showing the crash -- the National Transportation Safety Board released.