This laminated information board features a side-by-side comparison of various maritime alphabets, including the standard alphabet, the signal flag alphabet, the Morse alphabet, and the international spelling alphabet, as well as numbers and special Morse symbols. Additionally, it includes flag combination signals! An ideal learning aid for preparing for boating licenses and radio certificates, and essential on board any yacht! Robust and waterproof laminated, the board withstands even the harshest conditions. New, revised edition!.