A jet with 60 passengers and four crew members collided with an Army helicopter while approaching Ronald Reagan National Airport near Washington, D.C., sending the two aircraft plummeting into the Potomac River and killing everyone on board.

Authorities continue to search for bodies and determine what led to the Wednesday, Jan. 29, midair collision between an American Airlines jet and a U.S. Army Black Hawk helicopter over the Potomac River in the Washington,

Rescue craft are in the Potomac River below the site of the collision with D.C. fire chief John Donnelly saying "we don't know" if there are any survivors.

A midair collision between an Army helicopter and an American Airlines flight killed all 67 people aboard the two aircraft, officials said Thursday, as they scrutinized the actions of the military pilot and reported that control tower staffing was “not normal” at the time of the country's worst aviation disaster in a generation.

Grace Maxwell, 29, a student at Cedarville University in Greene County, Ohio, was identified as one of the 67 killed in the D.C. plane-chopper crash.