The National Transportation Safety Board says altimeter in the Black Hawk helicopter may have malfunctioned before the DCA mid-air collision with an American Airlines jet. All 67 people aboard died.

WASHINGTON (AP) — The crew of the helicopter that collided midair with an American Airlines jet near Washington D.C.’s Ronald ...

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

Military helicopter pilots on a training flight over Washington, D.C., did not hear air traffic control directions to pass behind a passenger jet heading its way, investigators revealed on Friday.

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

On Jan. 29, an American Airlines passenger jet and an Army helicopter collided as the plane prepared to land at Washington D.C.’s Ronald Reagan National Airport.