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.

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.

The airspace around Ronald Reagan Washington National Airport has long been problematic due to heavy military and commercial flight activity in the nation’s capital, according to industry insiders.

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

“It is the American airport,” said Rep. Norma Torres (D-Calif.), who said Reagan National isn’t just the most convenient airport for lawmakers. “It’s the place where citizens all over the country come to lobby their members of Congress, their US senators on issues of extreme importance to them.”

More than 60 people were killed when an American Airlines regional passenger jet collided with a U.S. Army Black Hawk helicopter on Wednesday and crashed into the frigid Potomac River near Ronald Reagan Washington National Airport.

An Army Black Hawk helicopter collided with a regional American Airlines flight that was on approach to Ronald Reagan Washington National Airport near Washington, D.C. on Wednesday night.

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

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

The controller was handling jobs typically assigned to two different controllers. Read more at straitstimes.com.