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

U.S. military helicopter crashes like the one that took down a commercial American Airlines flight on Wednesday night are ...

The military helicopter that collided with a regional jet near Ronald Reagan Washington National Airport in a crash that ...

Here's what is known about the Black Hawk and its crew that crashed into the American Airlines passenger jet over the Potomac ...