To understand the proximate cause of the accident — that is to say the last of many factors that led to the deadly accident — you have to be able to picture the layout of Washington’s Reagan National ...

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

Officials have confirmed that the remains of all 67 victims from a midair collision near Washington, D.C.'s Ronald Reagan ...

Map of the area around Ronald Reagan Washington National Airport and the layout of Runway 33, at the time a regional jet and Army Black Hawk helicopter collided, officials say. ABC News ...

There are confirmed fatalities from the collision of American Airlines Flight 5342 and the U.S. Army Black Hawk helicopter ...