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,

Flights in and out of Reagan National Airport in Washington, D.C. were cancelled Thursday morning, hours after a jet and a military helicopter collided and crashed into the Potomac River.At Logan Airport in Boston,

A regional jet and helicopter collided in midair near Reagan Washington National Airport on Wednesday night, the Federal Aviation Administration said, citing preliminary reports. The big picture: Officials said the crash prompted a ground stop and forced the Arlington,