Actually, there are requirements for flying in Canadian trans-oceanic airspace. You need to fly IFR, and you might need an HF radio depending on the route: ht

Actually, there are requirements for flying in Canadian trans-oceanic airspace. You need to fly IFR, and you might need an HF radio depending on the route: https://www.copanational.org/CC-42.cfm https://www.copanational.org/CC-42.cfm You also have to follow the usual rules about having liferafts on board, etc.