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.