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 ...

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

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

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

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 National Transportation Safety Board on Thursday continued to grill officials from the Army, air traffic controllers and ...

It's been six months since 67 people were killed in a midair collision over the Potomac River, and now lawmakers say they are ...

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

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.