Boat Numbering: Numbers Display

Boat Numbering: Numbers Display. (a) Each number required by 3 CMC § 5421 shall: (1) Be painted on, permanently attached to, or otherwise permanently displayed on each side of the forward half of the vessel in plain vertical characters not less than six inches in height, except as required by subsection (b) of this section, in plain vertical block characters of not less than three inches in height; (2) Have spaces or hyphens that are equal to the width of a letter other than “I” or a number other than “1” between the letter and number groupings; (3) Read from left to right; and (4) Be one solid color which will form a good contrast with the color of the background and so maintained as to be clearly visible and legible. (b) On vessels so configured that a number on the hull or superstructure would not be easily visible, the number must be painted on or attached to a backing that is attached to the forward half of the vessel so that the number is visible from each side of the vessel. Source: PL 3-25, § 6.