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 ...
Army Black Hawk in DC plane crash had turned off electronic location system: Cruz
The Army Black Hawk helicopter involved in the fatal midair collision in Washington, D.C., had a tracking system turned off, ...
Black Hawk helicopter pilots likely using night-vision before crash
Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...