The number of people onboard and any fatalities is unknown at this time. The plane can carry up to 65 passengers and four crew members.

A passenger jet carrying 64 people collided Wednesday with an Army helicopter while landing at Ronald Reagan National Airport near Washington, prompting a large search-and-rescue operation in the nearby Potomac River.

An Army Black Hawk helicopter collided midair with an American Airlines flight from Wichita, Kansas, at Reagan National Airport on Wednesday.

The American Airlines flight that crashed with 60 passengers and four crew members onboard reportedly split in half after its collision on Wednesday.

An American Airlines regional passenger jet was involved in a mid-air collision on Wednesday night with a U.S. Army Black Hawk helicopter near Reagan Washington National Airport, officials said.

Wednesday night’s crash of an American Airlines commuter plane in Washington could be one of the worst disasters for the Fort Worth-based airline in more than two decades.

A passenger jet collided with a helicopter while landing at Reagan Washington National Airport on Wednesday night the, FAA said.

A regional jet collided with an Army Black Hawk helicopter near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.

Late-night flight passengers entered the Wichita Dwight D. Eisenhower National Airport hours after the Washington D.C. crash involving a departing jet.

A small commercial airliner and a military helicopter collided and crashed into the Potomac River near Reagan National Airport Wednesday evening, D.C. Fire and EMS confirmed.

Officials said a search and rescue operation is underway, adding there is no information on any casualties at this time.