An American Airlines plane carrying 60 passengers and four crew members collided with an Army Black Hawk helicopter outside Reagan National Airport near Washington, D.C. Wednesday night. A D.C. fire official said Thursday that “we don't think there are any survivors from this accident" and "we are switching from a rescue operation to a recovery operation.

American Airlines CEO Robert Isom said the National Transportation Safety Board, which is investigating the deadly midair collision between an American passenger jet and a military helicopter, will be the lone authority on the cause and details of the crash.

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

An American Airlines jet carrying 64 people collided Wednesday with a helicopter near Reagan Washington National Airport, with no survivors expected.

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.

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

In the aftermath of the midair collision between an American Airlines plane and a U.S. Army Black Hawk helicopter on Wednesday, Jan. 29, the Federal Aviation Administration is indefinitely restricting helicopter flights in the vicinity of Washington,

An American Airlines regional jet went down in the Potomac River near Ronald Reagan Washington National Airport.

Air crash investigations can take months, and federal investigators told reporters they would not speculate on the cause.

A Connecticut man was among the people killed in the American Airlines crash in Washington, D.C. Wednesday night, according to State Sen. Martha Marx.

Families and friends of those who lost loved ones in the deadly American Airlines and Army helicopter collision are sharing tributes online in memory of the crash victims.