Marine Signal Flag: Letter "B" (Bravo) Size:2' x 2' Clair is a standard navigation

Clair is a standard navigation chart used by commercial and recreational mariners alike

Plans on Halmahera and Adjacent Islands is a standard nautical chart

British Admiralty Nautical Chart 4401: Gulf of Mexico is a standard nautical chart

United States - East Coast

The blue color is representative of the sky

Marine Signal Flag: Letter "B" (Bravo) Size:2' x 2' Clair is a standard navigationInternational maritime signal message: "I am taking on, discharging, or carrying dangerous cargo" 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.