First flew as S2F-3 147531 in 1959. Redesignated as an S-2D in 1962. Converted to an ES-2D for special electronics operations and development work in 1967. Stored at Davis-Monthan AFB, AZ in 1980. To South Seattle Community College, Seattle, WA in 1989 then to Marsh Aviation as N147MA in 1990 and converted to an S-2T Turbo Tracker. Withdrawn from use at Mesa-Falcon Field by 1995. Still there in 2022.