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.

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

At their closest points, helicopters and planes routinely flew within 75 feet near the airport, according to the NTSB.

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

It showed how the helicopter flew above the 200 feet (61 metres) altitude limit on the helicopter route along the Potomac ...

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

They were fiancés, mothers, fathers, friends, pilots, lawyers, hunters, coaches and figure skaters. These are the 67 people ...

Photo / Petty Officer 1st Class Brandon Giles, US Coast Guard via ) Investigators painted a devastating picture today of ...