Black Hawk helicopter had important safety system turned off during collision with American Airlines jet, senator says
A key safety system was turned off on the US Army helicopter that collided with an American Airlines regional jet last week ...
D.C Plane Crash Investigation Explained: All the Answers to Your Burning Questions
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 ...