28 agencies were authorized to fly helicopters near Reagan Airport before deadly crash
WASHINGTON (AP) — The Army was one of 28 government agencies authorized to fly helicopters near Ronald Reagan National ...
Plane crash: Helicopter key tracking system was turned off at time of collision
More information has emerged in the investigation into the mid-air collision over the Potomac River between an American ...
来自MSN22 小时
Black Hawk in DC crash had safety system off, investigators find
The investigation into the deadly midair collision between an American Airlines jet and a Black Hawk helicopter is revealing ...