A preliminary analysis of the flight data and voice recorder on board a Black Hawk helicopter leading up to the collision ...
Black Hawk helicopter may not have heard order to go behind American Airlines jet - The Army helicopter appeared to be ...
including bad altitude data that the Black Hawk pilots may have relied on, a possible miscommunication due to faulty radio ...
Washington, DC (CNN) — A preliminary analysis of the flight data and voice recorder on board a Black Hawk helicopter leading up to the collision with a commercial flight over Washington, DC, on ...