During the hearings, the NTSB was told that the Army helicopter never heard the command from the air traffic controller to ...

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 have found that a helicopter involved in a deadly crash with a passenger plane over Washington was flying above ...

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 ...

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

Watch live from the third day of the National Transportation Safety Board's investigative hearings on the deadly midair ...

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 ...

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

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