46 C.F.R. § 69.107 Gross and net tonnages.
Title 46 - Shipping
(a) Gross tonnage is the sum of the following tonnages, less certain spaces exempt under §69.117: (1) Under-deck tonnage (§69.109). (2) Between-deck tonnage (§69.111). (3) Superstructure tonnage (§69.113). (4) Excess hatchway tonnage (§69.115(c)). (5) Tonnage of framed-in propelling machinery spaces included in calculating gross tonnage (§69.121(d)(1)). (b) Net tonnage is gross tonnage less deductions under §§69.119 and 69.121.
Title 46: Shipping
PART 69—MEASUREMENT OF VESSELS
Subpart C—Standard Measurement System
§ 69.107 Gross and net tonnages.
