Delivered to the USAF as SA-16B 51-7168. Redesignated as an HU-16B in 1962. Sold in 1973 and registered as N3385F in 1976. Converted to a G-111 around 1981. To N122FB in 1982. Stored at Marana, AZ by 1985. Sold to Barron Aviation in 2017 and left Marana.