Officials say no survivors after a passenger jet crashed with an Army helicopter on approach to a Washington, D.C., airport. Here's what we know.

An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National ...

Through maps, videos, photos and radio transmissions, CNN is piecing together what occurred during the deadly, midair collision.

The Post spoke to several aviation experts about a number of factors that may have contributed to the fatal collision.

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.

More than 60 people were feared dead after an American Airlines regional passenger jet collided with a US Army Black Hawk ...

The death toll from the two aircraft collision is presumed to be 67 as emergency services frantically wade through Potomac River in freezing conditions to desperately search for bodies ...

Flight map shows route of American Airlines plane before deadly crash in Washington DC - Sixty-seven feared dead after crash in Potomac River in Washington DC ...

Officials believe there are no survivors after a passenger plane on approach to Reagan National Airport near Washington, DC, collided Wednesday night with a US Army helicopter midair, sending both ...

A D.C. official said the Black Hawk helicopter was found upside down and the American Airlines plane in pieces in the Potomac River.

It happened at South Beaver and Princess streets in York City at 7:54 a.m. No other vehicles were involved. Dispatch said one ...

Wednesday’s fatal collision and two other incidents dramatically illustrate the challenges pilots and air traffic controllers ...