A regional jet carrying 64 people collided with an Army Black Hawk helicopter. Reagan National Airport grounded all flights.
Through maps, videos, photos and radio transmissions, CNN is piecing together what occurred during the deadly, midair collision.
Emergency crews responded to a fatal aircraft collision involving an American Airlines passenger jet and Black Hawk ...
The crew of the Army Black Hawk helicopter involved in the deadly collision with a jetliner had thousands of hours of flight experience.
A passenger jet and a Black Hawk helicopter collided in midair Wednesday and crashed into the Potomac River near Reagan ...