CFR /  Title 46  /  Part 69  /  Sec. 69.107 Gross and net tonnages.

(a) Gross tonnage is the sum of the following tonnages, less certain spaces exempt under Sec. 69.117:

(1) Under-deck tonnage (Sec. 69.109).

(2) Between-deck tonnage (Sec. 69.111).

(3) Superstructure tonnage (Sec. 69.113).

(4) Excess hatchway tonnage (Sec. 69.115(c)).

(5) Tonnage of framed-in propelling machinery spaces included in calculating gross tonnage (Sec. 69.121(d)(1)).

(b) Net tonnage is gross tonnage less deductions under Sec. Sec. 69.119 and 69.121.