Thomas Dunn and Dennis J. Collopy have died from illnesses connected to working on the site of the World Trade Center ...

There were 64 people on the American Airlines jet and three soldiers in the U.S. Army helicopter at the time of the Jan. 29 ...

Roger Marshall of Kansas appeared to confirm mass casualties as he said, "when one person dies it's a tragedy, but when many, ...

The collision between a Black Hawk Chopper and an American Airlines flight just above the Washington skies is under thorough ...

Flight 191 the deadliest airline accident in U.S. history. By submitting your information you agree to the Terms & Conditions ...

WUSA9 spoke with Todd Yeary, who worked in air traffic control in Chicago on 9/11, about what it is like to communicate with ...

There are many questions online about how the fatal crash between a passenger jet and Army helicopter. Here’s what we can ...

An American Airlines regional jet collided with a U.S. Army Black Hawk helicopter near Reagan Washington National Airport, ...

Authorities believe there are no survivors in the accident, which happened as a regional passenger jet was attempting to land ...

The Bombardier CRJ700 regional jet and Black Hawk helicopter both crashed into ... including 27 from the plane and one from the Black Hawk helicopter, Donnelly says. 11 a.m. ET: DCA reopens ...

11, 2001. Was this the deadliest commercial plane crash in the U.S. since 9/11? The collision was not the deadliest commercial crash in the U.S. since 9/11, but it was the deadliest in nearly 24 ...