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

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.

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

The head of the National Transportation Safety Board (NTSB) criticized the Federal Aviation Administration for not "taking ...

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.

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 ...