Delivered to the US Army as L-20A 55-4595 in 1956. Redesignated as a U-6A in 1962. Stored at Davis-Monthan AFB, AZ in 1974. Left in 1975 and went to the US Department of Agriculture as N43906. Cancelled in 1980 after a crash. To the museum in poor condition in 1984 and restored for static display with fake reg C-KMMS. Sold as N78VA in 2004 then C-GODH in 2005. Restored to flying condition as a Viking Turbo Beaver in 2007.

Ex US Army 55-4595, placed into storage at Davis Monthan in March 1974, registered as N43906 in 1977 with the US dept of Agriculture and purchased by the Pima Museum in very poor condition in June 1984. Restored for static display with fictitious registration 'C-KMMS' until sold and registered N78VA in September 2004. Sold to Viking Air as C-FEUF in July 2005 but not taken up and re-registered as C-GODH. Converted to a Viking Turbo Beaver in May 2007. Current with Pacific Sky Aviation at time of upload.

Ex-55-4595/US Army.