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 ...
Business Insider reviewed official briefings, flight data, and air traffic control audio tapes to piece together what ...
Clues emerging from the moments before an Army helicopter collided with a passenger jet suggest breakdowns in the system ...
Moments leading up to American Airlines Flight 5342 crash at Reagan Washington National Airport could suggest what caused the ...