Investigators say the crew of the helicopter that collided midair with an American Airlines jet might not have heard key air ...

The National Transportation Safety Board disclosed new details about the collision between the helicopter and an American ...

Last month, an American Airlines passenger jet and an Army helicopter collided as the plane prepared to land at Washington ...

There's no indication the U.S. Army Black Hawk crew could tell there was an impending collision before its devastating crash with an American Airlines plane in Washington, D.C., National ...