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

The National Transportation Safety Board is examining "bad data" the crew of an Army Black Hawk helicopter may have relied ...

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

The radio altimeter on board the Black Hawk at the time of the deadly midair collision was 278 feet, Homendy said. That altimeter uses a radio beam to show the helicopter’s altitude above ground level ...

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

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