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Code of Practice
12 Freeboard and Freeboard Marking
12.1 General
A vessel required to be provided with an approved stability information booklet should have a freeboard mark placed on each side of the hull at the longitudinal position of the longitudinal centre of flotation for the maximum draught at which the stability of the vessel has been determined.
12.2 Freeboard Mark and Loading
12.2.1 The freeboard mark referred to above should measure 300mm in length and 25mm in depth. The marking should be permanent and painted black on a light background or in white or yellow on a dark background. The top of the mark should be positioned at the waterline corresponding to the draught given in 12.1, at the position of the longitudinal centre of flotation, as shown in the sketch below:-
(Sketch Missing)
12.2.2 A vessel should not operate in any condition which will result in its freeboard marks being submerged when it is at rest and upright in calm water.