Rescue workers deployed at the scene of a collision between an American Airlines passenger plane and army BlackHawk helicopter in Washington, on January 30, 2025. (Photo: Reuters/VNA)

Fresh from recovering the so-called black boxes from the American Airlines plane that crashed into the Potomac River after colliding with an Army Black Hawk helicopter on Wednesday, divers aim to "salvage the aircraft" and find additional components on Friday, Washington's fire department said.

The National Transportation Safety Board is studying the cockpit voice recorder and flight data recorder from the CRJ700 airplane, which carried 60 passengers and four crew members, all of whom perished in the crash. The three members of the helicopter crew also died.

Authorities have not pinpointed a reason for the collision, which happened as the regional jet was trying to land at Ronald Reagan Washington National Airport.