Delivered to the USAAF as 45-635 in 1945. Renamed to USAF in 1947. To Wheeler Airlines as CF-IQM in 1956, Nordair in 1958 and Pelly Bay Co-Operative as C-FIQM in 1975. To Aero Union as N4218S in 1981 and converted to a fire bomber then to Kenn Borek as C-FIQM in 1988. Nose damaged in an accident and stored at Calgary in 1990. To Buffalo Airways in 1992 and repaired at Tucson. Fire bombing tank removed by 2009 and used as a freighter. Stored at Hay River by 2014.

Built as US Air Force 45-0635, this C-54 has spent a lot of time in Canada. Leaving the USAF in 1956, the aircraft came to Canada as CF-IQM, flying for Wheeler Airlines and Nordair Canada. It went back to the USA as N4218S with Aero Union before returning to Canada as C-FIQM in 1988. Pictured after being recently acquired by Buffalo Airways in February 1992, the classic Douglas was stored sometime after 2008, but remains registered to Buffalo.