There was no immediate confirmation of any casualties, but surviving an extended submersion in the river would be difficult. On Wednesday, the Potomac River was 36 degrees Fahrenheit, according to ...

(DC News Now) — Officials indicated a number of people died after an American Airlines flight collided with a military helicopter Wednesday night, causing both to crash into the Potomac River.

The bodies of 18 casualties have been pulled out from the Potomac River in Washington, D.C., where a passenger plane crashed into the river after colliding with a military helicopter, police said, ...

The flight then crashed into the Potomac River. According to the FAA, Flight 5342 from Witchita Kansas collided midair while approaching the runway at Reagan Washington National Airport.

In 1982, Air Florida Flight 90 crashed into the 14th Street Bridge over the Potomac River, killing 70 passengers and four crew members. Only four passengers and one crew member survived.