Small Vessel Regulations

416 A portable fire extinguisher that is intended to be discharged directly into an enclosed engine space shall

• (a) contain 1.2 kg of carbon dioxide per cubic metre of gross enclosed engine space volume or, if it does not contain carbon dioxide, contain a sufficient quantity of a clean agent to provide the same protection as carbon dioxide;

• (b) if it contains carbon dioxide, be able to be completely discharged in not more than 60 seconds and if it contains a clean agent, in not more than 10 seconds; and

• (c) be in addition to the portable fire extinguishers required by section 512.