Regulation 40 Protection against noise Requirements for ships constructed on or after 1st September 1984I1

In every such ship, measures shall be taken to reduce noise levels in machinery spaces as far as is reasonable and practical. On completion of a ship noise levels in machinery spaces shall be measured and a record of the measurements taken shall be retained on the ship.

Noise levels and their measurement shall be in accordance with the provisions of Schedule 8 in Merchant Shipping Notice MSN 1671.