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

Air traffic controllers reportedly warned about the hazards of helicopter traffic near the airport for years leading up to ...

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

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

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

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

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

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 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 ...

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