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.