A Washington, D.C.-area helicopter pilot says Army Black Hawk was flying published route and on appropriate radio frequency.

More from the final moments of the doomed aircraft has emerged in a series of recordings from Air Traffic Control.

The audio indicates that air traffic controllers tried to warn the Army helicopter about a nearby Canadair Regional Jet.

Human-monitored Air Traffic Control, while effective in many ways, is increasingly becoming a bottleneck in ensuring safe and ...

Audio from the American Airlines plane crash in Washington DC documents air traffic control's reaction to the collision.

Audio of air traffic control captured the moment that workers observed a Black Hawk helicopter colliding with a passenger jet ...

U.S. authorities said on Thursday it was not yet clear why a regional jet and a U.S. Army helicopter collided at a Washington ...

All 67 people aboard an American Eagle flight from Kansas and an Army helicopter were killed in a collision Wednesday night ...

Divers will on Friday aim to salvage the crashed American Airlines plane and Black Hawk helicopter from the Potomac River ...

It will be some time before investigators can offer clear answers to the cause of the midair crash at Ronald Reagan ...

A total of 67 people were killed Wednesday after a collision between an American Airlines passenger jet and an Army ...