The Army Black Hawk helicopter involved in the fatal midair collision in Washington, D.C., had a tracking system turned off, ...

With black boxes in hand, investigators are now focusing on the actions of American Airlines Flight 5342 and an Army Black Hawk helicopter before they collided last week outside Reagan National ...

Newly released data from ground-based radar came out Tuesday suggesting an Army helicopter was flying higher than it was supposed to be when it collided with American Airlines Flight ...