Where are the Official Number and net tonnage marked on a UK ship?

Somewhere in the ship’s main beam. In a dry cargo vessel this might be in an athwartships hatch coaming; in a tanker it might be in a pumproom; in a ship with midships machinery it might be in the engine room on a transverse structural member; in an offshore supply vessel it might be on the after end of the accommodation block.

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Written by Ship Inspection

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