An American Airlines flight crashed into a U.S. Army Black Hawk Helicopter over the Potomac River as it approached Ronald Reagan Washington National Airport.
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Interesting Engineering on MSNTracking system was off in US Army helicopter that collided with passenger jet: SenatorIt 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 ...
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