The Seaguard helicopter served as a workhorse for the U.S. Coast Guard for over 25 years. The amphibious aircraft has been credited with saving 15,000 lives and $1.5 billion in property loss and damage since its deployment with the Coast Guard in 1963. Ninety-nine HH-52s were based on Coast Guard cutters, icebreackers, and air stations until retirement in 1989.
The Museum's helicopter entered service in 1966 and has flown missions from Detroit, Michigan, Mobile, Alabama, Elizabeth City, North Carolina, and Cape May, New Jersey. Its last station was Port Angeles, Washington. It was retired in 1982 and donated to The Museum of Flight in 1988.