Business Insider reviewed official briefings, flight data, and air traffic control audio tapes to piece together what happened before tragedy struck.
U.S. authorities said on Thursday it was not yet clear why a regional jet and a U.S. Army helicopter collided at a Washington ...
The Army helicopter and regional American Airlines jet that collided over Washington are both workhorse aircraft that operate ...
Robert Isom provided an update after an Army Black Hawk collided with an AA plane coming in for a landing at Ronald Reagan ...