An airspace cluttered with passenger planes and military aircraft. A history of near-crashes. And a growing shortage of air traffic controllers available to manage it all. Some experts, politicians and airport managers have been warning for years of the risks posed by the crowded airspace and volume of flights at Ronald Reagan Washington National Airport (DCA).

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

Search and recovery efforts are underway at the Potomac River near Ronald Reagan Washington National Airport – where an American Airlines flight collided midair with an Army Black Hawk helicopter Wednesday night. The Arlington, Va., airport has been a ...

St. Paul International Airport and Washington D.C.'s Reagan National Airport have been canceled following the deadly collision between a passenger plane and an Army helicopter over the Potomac River on Wednesday night.

An airplane collided with a helicopter while trying to land at the Ronald Reagan Washington National Airport on Wednesday night, officials said.

Authorities are investigating an apparent crash involving a regional jetliner and a helicopter

A passenger jet has collided with a helicopter while landing at Ronald Reagan National Airport near Washington.

Ronald Reagan Washington National Airport is closed, according to an FAA alert posted Wednesday night. A ground stop will prevent planes from landing at the airport through at least 5 a.m. Thursday morning,

According to the Patrick Leahy Burlington International Airport website, three American Airlines flights between DCA and BTV were canceled for Wednesday night and Thursday morning.

Flights resumed at Reagan Washington National Airport after the deadly D.C. plane crash. NBC News’ Aaron Gilchrist spoke with passengers arriving at the airport.

Political leaders had warned about the dangers of Ronald Reagan Washington National Airport in Washington, D.C. months before an American Airlines flight collided with a U.S. Army Black Hawk helicopter on its approach to the airport.