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

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

A long list of things went wrong in January and contributed to the collision between an Army helicopter and an American ...

Investigators testifying at a hearing into the January's mid-air crash in Washington DC suggest faulty altitude data may have ...

New details are emerging about the deadly collision between an American Airlines flight and an Army helicopter in January ...

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

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

The first of the National Transportation Safety Board’s three days of investigative hearings is underway to help determine ...

An air traffic controller should have warned an American Airlines Group Inc. jet that there was a US Army Black Hawk in the ...

The pilots of a Black Hawk helicopter that collided with a passenger jet near Washington Reagan National Airport 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 into the deadly crash.

The National Transportation Safety Board questioned witnesses Friday on collision avoidance technology and organizational ...