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

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

The National Transportation Safety Board says altimeter in the Black Hawk helicopter may have malfunctioned before the DCA ...

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 ...

The crew of the helicopter that collided midair with an American Airlines jet near Washington D.C.’s Ronald Reagan National ...

NTSB's Friday briefing about the fatal midair collision near DCA highlighted ongoing investigations into potential radio ...

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 ...