46 C.F.R. § 185.602 Hull markings.
Title 46 - Shipping
(a) Each vessel must be marked as required by part 67, subpart I, of this chapter. (b) Paragraphs (c) through (g) of this section apply to each vessel that fits into any one of the following categories: (1) A vessel of more than 19.8 meters (65 feet) in length. (2) A vessel authorized to carry more than 12 passengers on an international voyage. (3) A vessel with more than 1 deck above the bulkhead deck exclusive of a pilot house. (c) Each vessel that complies with the stability requirements of §§170.170, 170.173, 171.050, 171.055, and 171.057 of this chapter, or in accordance with §178.310 of this chapter, must— (1) Have permanent draft marks at each end of the vessel; or (2) Have permanent loading marks placed on each side of the vessel forward and aft to indicate the maximum allowable trim and amidships to indicate the maximum allowable draft. (d) A loading mark required by paragraph (c)(2) of this section must be a horizontal line of at least 205 millimeters (8 inches) in length and 25 millimeters (1 inch) in height, with its upper edge passing through the point of maximum draft. The loading mark must be painted in a contrasting color to the sideshell paint. (e) On a vessel that has a load line, the amidships marks required by paragraph (c)(2) of this section must be those required by the International Convention on Load Lines, 1966. (f) In cases where draft marks are obscured due to operational constraints or by protrusions, the vessel must be fitted with a reliable draft indicating system from which the bow and stern drafts can be determined. (g) On a vessel on which the number of passengers permitted on upper decks is limited by stability criteria, as indicated by the vessel's stability letter, the maximum number of passengers allowed on an upper deck must be indicated by a durable marking of at least 25 millimeters (1 inch) numbers and letters at the entranceway to that deck. [CGD 85–080, 62 FR 51359, Sept. 30, 1997]
Title 46: Shipping
PART 185—OPERATIONS
Subpart F—Markings Required
§ 185.602 Hull markings.
