Marine signal flag: Letter "Y" (Yankee) Courtesy Flags British Admiralty Nautical Chart 1684:

British Admiralty Nautical Chart  1684: Machico and Canical is a standard nautical chart

' dives into the practical side

or left side is defined by a solid white color which encompasses about 1/3 of the total flag

Key developments to this edition: The introduction of the International Hull Clauses in November 2003

2 Shifting of Cargo

Marine signal flag: Letter "Y" (Yankee) Courtesy Flags British Admiralty Nautical Chart 1684:International maritime signal message: "I am dragging anchor" 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.