Marine signal flag: Letter "Q" (Quebec) Coastal Waters of Southeast Alaska and British Columbia British Admiralty Nautical Chart 1674:

British Admiralty Nautical Chart  1674: Eastern Approaches to Suva HarbourBritish Admiralty Nautical Chart 1674: Eastern Approaches to Suva Harbour is a standard nautical chart

British Admiralty Nautical Chart 3767: North Sea - Germany and Denmark

Approaches to Puerto de la Luz (Las Palmas) is a standard nautical chart

Johns River Dunns Creek to Lake Dexter

NOAA Nautical Chart 11486: St

Marine signal flag: Letter "Q" (Quebec) Coastal Waters of Southeast Alaska and British Columbia British Admiralty Nautical Chart 1674:International maritime signal message: "Ship meets health regs; request clearance into port" Marine signal flags are international signals used by ships at sea to spell out short messages, or more commonly, used individually or in combination they have special meanings.