What we know about the American Airlines plane and Army helicopter crash over D.C.'s Potomac River
A regional jet carrying 64 people collided with an Army Black Hawk helicopter. Reagan National Airport grounded all flights.
Helicopter May Have Deviated From Approved Path Before Deadly Crash
New administration: The crash confronts the new Trump administration with one of its first major disasters. It happened just a day after Sean Duffy was sworn in as transportation secretary, and in the ...