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North American routes stresses
mil., avia.	североамериканские маршруты
English thesaurus
North American Routes
transp., abbr.	NAR
North American Route
avia., Canada	A special routing system consisting of routes located within the high level airspace established to facilitate control of the flow of international air traffic between the North Atlantic NAT and domestic airspace, as described in the "Planning" section of the Canada Flight Supplement (CFS)