Nautical, the part of the part of a vessel or ship which lies involving the type of flotation therefore the upper region of the deck (or a place corresponding to it), or, when there are several decks, of this uppermost watertight deck.
The minimal free-board that British vendor vessels can be filled is suggested by a mark known as the Plimsoll level. Lloyd's enroll is empowered to assign the deepest water-line to which a vessel might be loaded. The outlines must certanly be completely marked on the side of this vessel, as shown when you look at the cut. F W may be the fresh-water free-board line to which the ship can be packed in a fresh-water harbor. S may be the corresponding summertime load-line for similar displacement in sodium water. W could be the cold temperatures free-board range. WNA may be the winter free-board line for voyages when you look at the North Atlantic. I S may be the line for summertime voyages into the Indian Ocean. L R is Lloyd's Enter. For sailing-vessels the FW and WNA lines just tend to be marked.