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

A new map showing the short 30-second and three-mile route a doomed flight took before crashing in Northeast Philadelphia and ...

While the helicopter involved in the fatal crash near Reagan Airport flew a route that passed by other planes, it was flying ...

An American Airlines regional jet collided with a UH-60 Black Hawk helicopter near Washington, D.C., resulting in the deaths ...

The collision occurred in airspace that is difficult to navigate. Flight data, video and air traffic control audio show how the tragedy unfolded.