Fatal crashes of commercial aircraft in the U.S. have become a rarity. The last was in 2009 near Buffalo, New York.
Ronald Reagan Washington National Airport (DCA) services both military helicopters and passenger planes every day.
Explore the 10 deadliest airline crashes in U.S. history, from the tragic 9/11 attacks to recent fatal accidents ...
Some experts, politicians and airport managers have been warning of the risks posed by the crowded airspace at Reagan Washington National Airport.