Black Hawk, American Airlines

Investigators trying to determine what caused last week’s deadly midair collision between a US military Black Hawk helicopter ...
An American Airlines regional jet collided with a U.S. Army Black Hawk helicopter on Jan. 29. Both aircraft plunged into the Potomac River near Reagan Airport.
It was disclosed that the helicopter had turned off its Automatic Dependent Surveillance-Broadcast (ADS-B) system, a sophisticated tracking technology designed to provide real-tim ...