(a) Tonnage mark with an equilateral triangle and a line for fresh and tropical waters.
W= 1⁄48 of the distance from the top of the flat keel to the tonnage mark. (See § 69.177(b)(2).)
(b) Tonnage mark location if the load line mark is not placed as though the second deck were the freeboard deck.
k = a distance between 21 inches and six feet six inches.
a = distance derived from Table 69.177(a)(5).
(c) - Tonnage mark location if the load line mark is placed as though the second deck were the freeboard deck.
k = a distance between 21 inches and six feet six inches.
a = the distance between the line of the second deck and the uppermost part of the load line grid.
[CGD 87-015b, 54 FR 37657, Sept. 12, 1989, as amended by USCG-2011-0522, 81 FR 18732, Mar. 31, 2016]