SFT was the Norwegian Pollution Control Authority, which was renamed to Climate and Pollution Agency (Klima- og forurensningsdirektoratet - Klif) in 2010. This aircraft was last operated by Fjellanger Widerøe AS on behalf of SFT, hence the boom under the rear fuselage, used during survey flights. Originally delivered to Nor-Fly in 1979, and Fjellanger acquired it in 1983. The aircraft arrived at the museum in 1989.