In the three years before the deadly collision between an Army helicopter and an American Airlines flight near Reagan National Airport, at least two other pilots reported near-misses with helicopters while landing at the airport,

A deadly plane crash over the Potomac River near Washington, D.C. canceled flights to and from Ronald Reagan National Airport overnight. The airport reopened around 11 a.m. Thursday, as the search continues for the 64 people on board the American Airlines plane that collided with a U.