Delivered to the US Navy in 1943 as 37716, it was declared surplus in Seattle in May 1946 and sold as N67586. Upgraded by McKinnon-Hickman from Ranger to Lycoming G-480 engines in 1955 to become a Super Widgeon. Nine owners in AK, CA, MT, OR & WA. Purchased by United Engineering / T.M. Thomson & Assoc. of CYYJ, BC in Oct. 1972 and registered CF-EHI in May 1973. The company were consulting engineers and foresters working for the government and industry. To Alaska in May 1980 as N3767Z. Rebuilt after an accident in July 1983. Reregister N480AK by Timothy Martin of Anchorage in November 2009.