Code of Federal Regulations Title 46. Shipping § 46.42.25–20 Computation for freeboard

(a) The minimum summer freeboards must be computed in accordance with §§ 42.20–5(a) and (b), 42.20–13, 42.20–15, 42.20–20, 42.20–25, 42.20–30, 42.20–35, 42.20–60, and 42.20–65, except that § 42.20–60 is modified by substituting the percentages in table 42.25–20(a) for those given in § 42.20–60:

¹ Percentages at intermediate lengths of superstructures shall be obtained by linear interpolation.

(b) The winter timber freeboard shall be obtained by adding to the summer timber freeboard one thirty-sixth of the molded summer timber draft.

(c) The winter North Atlantic timber freeboard shall be the same as the winter North Atlantic freeboard prescribed in § 42.20–75(d)(1).

(d) The tropical timber freeboard shall be obtained by deducting from the summer timber freeboard one forty-eighth of the molded summer timber draft.

(e) The fresh water timber freeboard shall be computed in accordance with § 42.20–75(e)(1) or (2) based on the summer timber load waterline.