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.

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,

If changes aren't made, that near-miss becomes a mid-air collision,” one aviation safety expert said. “Unfortunately, that's what we had last night.”

Two planes aborted landings at Reagan National Airport in the past week due to military helicopters in their flight path, according to the Washington Post.