69.161—Gross and net tonnages.

(a) Gross tonnage means the tonnage of a vessel, less certain spaces exempt under § 69.169, and is the sum of the following:

(1) Under-deck tonnage ( § 69.163 ).

(2) Between-deck tonnage ( § 69.165 )

(3) Superstructure tonnage ( § 69.167 )

(4) Excess hatchway tonnage ( § 69.115 )

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

(b) Net tonnage means gross tonnage less deductions under § 69.119 and § 69.121.

CFR