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,

U.S. commercial pilot Rick Redfern was preparing to land at Reagan Washington National Airport about a decade ago when he spotted a bright red Coast Guard helicopter hovering about 50 feet (15 m) above the Potomac River.

An Army Black Hawk helicopter collided midair with an American Airlines flight from Wichita, Kansas, at Reagan National Airport on Wednesday.