CBS news is now reporting that 18 bodies have been recovered from the Potomac River after the collision of the regional passenger plane and the Black Hawk military helicopter.
Other media organisations, such as the Washington Post, have reported that multiple bodies had been pulled from the water.
No survivors have been found so far, the newspaper has reported.
American Airlines confirmed that 64 people were aboard the jet - including 60 passengers and four crew members. Three soldiers were aboard the helicopter, a US official said.
