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.

Air traffic controllers at Ronald Reagan Washington National Airport told the Delta and Republic flights to perform "go-arounds" because of the "priority air transport helicopter"

Image via Shutterstock Remind me not to fly to Ronald Reagan Washington National Airport. An Army Black Hawk helicopter almost collided with a plane not once but twice last week. The airport suffered two near misses with the Black Hawk.