8.12 

8-12
Ships to which the Tonnage Measurement Convention does not apply shall have their tonnage determined according to that Convention, subject to the following:
8.12.1 Ships of less than 24 metres length shall have their gross tonnage determined according to the formula:

Gross tonnage = 0.24 (0.6 LBD + VgA)

Where—

L = Length in metres on upperdeck from stem to rear stern profiles;

B = Maximum breadth in metres measured to the outer surface of the hull;

D = Moulded depth in metres at half of the length measured from the top of the keel up to the underside of the upper-deck including round of beam at the middle plane;

VgA = Volume in Cubic metres of closed structures, deckhouses and other main bodies.