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The film is an adaptation of Robert Mason Lee's non-fiction book Death and Deliverance which is based on the 1991 plane crash of a Canadian Forces CC-130 Hercules (a part of Operation Boxtop 22) en route to CFS Alert on Ellesmere Island with 18 crew and passengers on board.
CFS Alert airfield was built sometime in the 1950s and is supplied by military aircraft only, but in 2011, Buffalo Airways was contracted to carry fuel and sleds between Resolute Bay and Alert; the airfield is required for transport of personnel and provisions 12 months of the year.