One of many former US Army Beavers bought by B-M Aviation (a division of Laurentian Air Services), 53-7900 arrived back in Canada in 1973. Refurbished and registered C-GUDK in 1975, the aircraft was with Liard Air from 1983 until 2011. It was lost in a hangar fire at Muncho Lake / Mile 462 Water Aerodrome on January 11 of that year along with a Cessna 185 and a Turbo Otter.