WASHINGTON -- Helicopters will be permanently restricted ... and emergency medical services. The Army Black Hawk involved in the January crash belonged to the 12th Aviation Battalion based at ...

The NTSB called its recommendation urgent and said it results from the investigation of a collision between an American Airlines regional jet and an Army UH-60 Black Hawk helicopter on Jan. 29.

Air traffic controllers at Washington’s Ronald Reagan National Airport will be offered crisis counseling and additional ...