Ryan O'Hara, 29, was the crew chief of the Black Hawk helicopter that collided with the passenger plane, according to CBS News. He leaves behind a wife and one-year-old son, his local Reserve Officers' Training Corps (ROTC) program said in a social media post confirming his death.

More victims have been named following the mid-air collision between an American Airlines passenger jet and a military helicopter. Details are also emerging of the events around the crash - including that an air traffic controller was allowed to leave their shift early that night.

An American Airlines regional jet went down in the Potomac River near Ronald Reagan Washington National Airport.

A passenger plane with 64 onboard collided with an Army helicopter over the Potomac River on Wednesday night. See photo updates below.

First thing is the communication between the air traffic control and the helicopter and the plane … There’s no direct communication between the civilian and the military helicopter and airplane. Instead,