The National Transportation Safety Board says the helicopter must be recovered from the Potomac River so it can get more precise data.

Newly released data from ground-based radar came out Tuesday suggesting an Army helicopter was higher than it was supposed to ...

In the days following the deadly midair collision between a Black Hawk helicopter and an American Airlines flight near Reagan ...

A 3-D model created by The Times visualizes the helicopter pilots’ field of view minutes before a fatal crash with a jet in ...

The Army pilots were juggling dark skies, low altitude, a busy airspace and a cockpit without certain traffic detectors ...