Helicopters flying near Reagan National Airport caused flight diversions yesterday (Sunday) and Thursday. The first incident involved an Army Black Hawk helicopter taking a "scenic route around the Pentagon,

At the time that the planes were redirected, a U.S. Park Police helicopter was searching for people reported missing from a vehicle that had flipped over in the area of the Key Bridge.

A "go-around" maneuver is performed when a pilot must abort or reject landing on the final approach or once the aircraft has already touched down.