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

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

Incorrect altitude readings on the Army helicopter that collided with a passenger plane over Washington, D.C., in January ...

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

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 ...

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

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

The National Transportation Safety Board will wrap up its public testimony about the fatal midair crash between an Army ...