18.—(1) Contravention of any of these Regulations shall be an offence by the owner and the master of the vessel which shall render both of them liable on summary conviction to a fine not exceeding the statutory maximum, or on conviction on indictment to imprisonment for a term not exceeding two years and a fine.
(2) Contravention of regulation 8 above by any person shall be an offence rendering him liable on summary conviction to a fine not exceeding level 5 on the standard scale.
(3) It shall be a good defence to a charge under this regulation to prove that the person charged took all reasonable steps to avoid commission of the offence.