Ronald Reagan Washington National Airport (DCA) services both military helicopters and passenger planes every day.

U.S. authorities said on Thursday it was not yet clear why a regional jet crashed into a U.S. Army helicopter at a Washington airport, killing 67 people in the deadliest U.S. air disaster in more than 20 years.

Deadly mid-air collision over Washington, D.C., reignites concerns over air traffic congestion and safety risks at Ronald Reagan Washington National Airport

Investigators analyze flight data to understand the crash between an American Airlines jet and a military helicopter and exactly what was going on before disaster struck.

Lawmakers have expressed concerns about congestion in at Ronald Reagan Washington National Airport amid a constricted space.

A retired commercial pilot, who now lives in Colorado Springs, believes Ronald Reagan National Airport should be closed to commercial traffic because of the complexity and danger it presents to

There was no immediate word on casualties, but all takeoffs and landings from the airport near Washington have been halted.

A passenger jet collided with an Army helicopter while approaching Ronald Reagan National Airport near Washington, DC. All 67 persons were killed.

The crash near Reagan National Airport has renewed questions about the airport's flight load, considering its small size, among other issues.

Multiple fatalities have been reported after a horrific incident involving American Airlines flight 5342 and a U.S. Army UH-60 Black Hawk helicopter over