An American Airlines passenger jet and an Army helicopter collided on Jan. 29 as the plane prepared to land at Washington, D.

The Black Hawk helicopter may have been flying with “bad data” and didn’t hear all air traffic control instructions before ...

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

That altimeter uses a radio beam to show the helicopter’s altitude above ground level, but it may not have been what the pilots of the helicopter were referencing at the time of the crash ...

A radio station owner and his two friends were killed after heli-skiing onto a rugged Alaskan mountain and getting trapped in ...

The National Transportation Safety Board disclosed new details about the collision between the helicopter and an American Airlines passenger jet over the Potomac River on Jan. 29.

However, she added, the NTSB team is investigating whether faulty data was causing an inaccurate altitude to be displayed on the helicopter’s instruments. “We're confident with the radio ...