Haw. Code R. § 19-42-135
Any small craft utilizing the waters of a state commercial harbor shall be provided with approved fire extinguishers as prescribed in the applicable provisions of the state boating rules of the department of land and natural resources. The fire extinguishers shall at all times be maintained in good and serviceable condition for immediate and effective use and shall be mounted on wall brackets so located as to be readily accessible. In addition, if any person is living aboard any small craft or contrivance, which is not a visiting small craft temporarily using the harbor, the small craft or contrivance shall be equipped with at least one approved hand portable fire extinguisher containing ten pounds of dry chemicals placed on each separate level or floor of habitable living space. Each extinguisher shall be mounted on a wall bracket so placed as to be readily accessible.
Haw. Code R. § 19-42-135