February 07, 2012

Deadweight survey

Under certain circumstances, the surveyor or ship's officer may have no choice but be restricted to carrying out a deadweight survey. The weights of all measurable non-cargo elements on the vessel are determined; bunkers, fresh water, ballast, stores etc. These are then added to the light displacement (including any lightship constant). This total is then deducted from the present displacement to produce the approximate weight of cargo on board.

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