The crew of the Army Black Hawk helicopter involved in the deadly collision with a jetliner had thousands of hours of flight experience.

There were 64 passengers aboard the plane, and three Army soldiers in the helicopter, according to officials. Here's a look at what we know about the victims.

A retired Army helicopter pilot shared insights into what may have caused Wednesday’s deadly mid-air collision over the Potomac River in Washington, DC.

The Post can reveal that miscommunications in one of the most crowded and complex patches of sky in the US are likely to blame.

Emergency crews responded to a fatal aircraft collision involving an American Airlines passenger jet and Black Hawk helicopter over the Potomac River.

Through maps, videos, photos and radio transmissions, CNN is piecing together what occurred during the deadly, midair collision.

A regional jet carrying 64 people collided with an Army Black Hawk helicopter. Reagan National Airport grounded all flights.

A passenger jet and a Black Hawk helicopter collided in midair Wednesday and crashed into the Potomac River near Reagan National Airport near Washington, D.C., officials said.

None are believed to have survived the Wednesday night collision, which caused both aircraft to plunge into the frigid Potomac River.

The airspace around Washington, D.C., is congested and complex — a combination aviation experts have long worried could lead to catastrophe.

There were 64 people on American Airlines Flight 5342 from Wichita, Kansas to DCA — including 60 passengers and four crew members. The Blackhawk Army helicopter had three soldiers on board. None of the 67 people on either aircraft are believed to have survived, officials say.