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 ...

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

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

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

Clark Allen, the former operations manager of the control tower at DCA, was asked Thursday about the training for the air ...

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.

An emotional three days of hearings into the January midair crash between an Army helicopter and a passenger jet wrapped up ...

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

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

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