On Jan. 29, an American Airlines passenger jet and an Army helicopter collided as the plane prepared to land at Washington ...

Black Hawk helicopter may not have heard order to go behind American Airlines jet - The Army helicopter appeared to be ...

There’s no indication the U.S. Army Black Hawk crew could tell there was an impending collision before its devastating crash ...

Investigators are scrutinizing whether a missed instruction from air traffic control and faulty readings from a critical ...