§ 69.201 46 CFR Ch. I (10–1–12 Edition)

k=a distance between 21 inches and six feet , excluding the keel. For a vessel six inches. that is designed for sailing and has a a=the distance between the line of the sec- keel faired to the hull, the keel is in- ond deck and the uppermost part of the cluded in ‘‘overall depth’’ if the dis- load line grid. tance to the bottom skin of the hull cannot be determined reasonably. Subpart E—Simplified Overall length means the horizontal Measurement System distance between the outboard side of the foremost part of the stem and the § 69.201 Purpose. outboard side of the aftermost part of This subpart prescribes the proce- the stern, excluding rudders, outboard dures for measuring a vessel under the motor brackets, and other similar fit- Simplified Measurement System de- tings and attachments. scribed in 46 U.S.C. chapter 145, sub- Registered breadth means— chapter III. (a) For a single-hull vessel, the ves- sel’s overall breadth; and § 69.203 Definitions. (b) For a multi-hull vessel, the hori- As used in this subpart and in Coast zontal distance taken at the widest Guard Form CG–5397 under § 69.205— part of the complete vessel between the Overall breadth means the horizontal outboard side of the skin (outside distance taken at the widest part of planking or plating) on the the hull, excluding rub rails, from the outboardmost side of one of the outboard side of the skin (outside outboardmost hulls to the outboard planking or plating) on one side of the side of the skin on the outboardmost hull to the outboard side of the skin on side of the other outboardmost hull, the other side of the hull. excluding rubrails. Overall depth means the vertical dis- Registered depth means— tance taken at or near midships from a (a) For a single-hull vessel, the ves- line drawn horizontally through the sel’s overall depth; and uppermost edges of the skin (outside (b) For a multi-hull vessel, the over- planking or plating) at the sides of the all depth of the deepest hull. hull (excluding the cap rail, trunks, Registered length means— cabins, and deckhouses) to the out- (a) For a single-hull vessel, the ves- board face of the bottom skin of the sel’s overall length; and

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(b) For a multi-hull vessel, the hori- (c) The Coast Guard may verify di- zontal distance between the outboard mensions of vessels measured under side of the foremost part of the stem of this subpart. the foremost hull and the outboard side of the aftermost part of the stern of § 69.209 Calculation of . the aftermost hull, excluding fittings (a) Gross . (1) Except as in or attachments. paragraphs (a)(2) through (a)(5) of this Vessel designed for sailing means a ves- section, the of a vessel sel which has the fine lines of a sailing designed for sailing is one-half of the craft and is capable of being propelled product of its overall length, overall by sail, whether or not the vessel is breadth, and overall depth (LBD) di- equipped with an auxiliary motor, a vided by one hundred (i.e., 0.50 LBD/ decorative sail, or a sail designed only 100), and the gross tonnage of a vessel to steady the vessel. not designed for sailing is 0.67 LBD/100. (2) The gross tonnage of a vessel with [CGD 87–015b, 54 FR 37657, Sept. 12, 1989; 54 a hull that approximates in shape a FR 40240, Sept. 29, 1989; USCG–1999–6216, 64 rectangular geometric solid (barge- FR 53225, Oct. 1, 1999] shape) is 0.84 LBD/100. (3) The gross tonnage of a multi-hull § 69.205 Application for measurement vessel is the sum of all the hulls as cal- services. culated under this section. To apply for measurement under the (4) If the volume of the principal Simplified Measurement System, the deck structure of a vessel is as large as, owner of the vessel must complete ei- or larger than, the volume of the ves- ther an Application for Simplified sel’s hull, the volume of the principal Measurement (form CG–5397), or a deck structure in tons of 100 cubic feet Builder’s Certification and First Trans- is added to the tonnage of the hull to fer of Title (form CG–1261) which has establish the vessel’s gross tonnage. the information in Part III ‘‘Dimen- The volume of the principal deck struc- sions’’ completed, and submit it to the ture of a vessel is determined by the National Vessel Documentation Cen- product of its average dimensions. ter. (5) If the overall depth of a vessel de- signed for sailing includes the keel, [CGD 95–014, 60 FR 31606, June 15, 1995] only 75 percent of that depth is used for gross tonnage calculations. § 69.207 Measurements. (b) . (1) For a vessel hav- (a) All lengths and depths must be ing propelling machinery in its hull— measured in a vertical plane at center- (i) The net tonnage is 90 percent of line and breadths must be measured in its gross tonnage, if it is a vessel de- a line at right angles to that plane. All signed for sailing; or dimensions must be expressed in feet (ii) The net tonnage is 80 percent of and inches to the nearest half inch or its gross tonnage, if it is not a vessel in feet and tenths of a foot to the near- designed for sailing. est .05 of a foot. (2) For a vessel having no propelling (b) For a multi-hull vessel, each hull machinery in its hull, the net tonnage must be measured separately for over- is the same as its gross tonnage. all length, breadth, and depth and the [CGD 87–015b, 54 FR 37657, Sept. 12, 1989, as vessel as a whole must be measured for amended by CGD 97–057, 62 FR 51045, Sept. 30, registered length, breadth, and depth. 1997]

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