Investigators are releasing new details about what happened in the seconds leading up to the deadly D.C. plane crash — and say that the Black Hawk helicopter crew may missed instructions from air ...

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

Black Hawk pilots may not have heard a critical directive from air traffic control to fly behind the American Airlines plane ...

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

Officials are still determining what caused an Army helicopter to collide with a plane. The DC crash near Reagan Airport killed 67 people.