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

A miscommunication and bad data may have contributed to last month’s deadly crash near Reagan National Airport.

The crew of an Army Black Hawk helicopter might not have heard key instructions from air traffic control before a collision ...

Investigators suspect the Army helicopter crew that collided with an American Airlines jet near Washington, D.C., might have ...

The crew of the Army helicopter that collided in midair with an American Airlines jet near Washington, D.C.'s Ronald Reagan ...

More than two weeks after a helicopter and airplane collision over Washington killed 67 people, investigators have completed their work at the scene where both aircraft fell into the Potomac River ...

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

The Black Hawk that collided with an American Airlines jet in January may not have had accurate altitude readings, ...

Investigators believe the Army helicopter crew involved in the midair collision near Washington, DC may have had inaccurate altitude readings and missed key air traffic control directions.

Last month, an American Airlines passenger jet and an Army helicopter collided as the plane prepared to land at Washington ...

The NTSB said Army Black Hawk crew may not have heard a message to "pass behind" the D.C.-bound passenger plane before the ...

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 have missed instructions from air ...