Marine signal flag: Letter "Q" (Quebec) Coastal Waters of Southeast Alaska and British Columbia Sabine Pass and Approaches to

Sabine Pass and Approaches to Port Arthur and Beaumont is a standard nautical chart

Johns River Dunns Creek to Lake Dexter

NOAA Nautical Chart 11013: Straits of Florida and Approaches is a standard navigation chart used by commercial and recreational mariners alike

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 1425: France

Marine signal flag: Letter "Q" (Quebec) Coastal Waters of Southeast Alaska and British Columbia Sabine Pass and Approaches toInternational 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.