Hawaii Boat Registration Decal Information

What are the size and requirements for Hawaii boat numbers?

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LEGAL NUMBERING REQUIREMENTS
• Boat registration numbers must be painted on or permanently attached to each side of the forward half of the vessel and must be read from left to right. The number shall not be placed on the obscure underside of a flared bow where the angle prevents it from being seen from another vessel or from the shore.
• The four numerals appearing between letters must be separated by hyphens or spaces equal to the width of any letter except "I".
• Stickers showing current registration must be placed on each side of the vessel 3 inches aft of the number and directly in line with it.
• The numbers and letters must be at least 3 inches in height and of block character.
• They must be of a color which will contrast with the color of the background.
• The numbers must be so maintained as to be clearly visible and legible. (If your number is properly displayed it will be clearly legible at a distance of 100 feet).
• No other numerals, letters, or devices may be placed near the State number.

RECOMMENDATIONS FOR EFFECTIVE DISPLAY OF NUMBERS
• Disregard outlining or shading in determining height or color contrast. Use letters and numbers of a solid color.
• Avoid shaded numbers. Slanted or script numbers do not meet Coast Guard standards.
• Use colors that furnish the greatest contrast between numbers and background. The best results are achieved by a very dark color on a light background, or vice versa.
• When a backing plate of a different color than the hull is used, be certain the plate extends far enough beyond the number to provide sufficient background for contrast.