Regulation 6 does not apply in relation to:
(i) a pleasure vessel; (ii) a recreational craft hired on a bareboat basis; or (iii) any other craft or boat, other than one carrying passengers, in commercial use in a harbour or on an inland waterway and less than 8 metres overall in length unless, in the case of a craft or boat mentioned in sub-paragraphs (ii) or (iii), the accident involves: (aa) explosion; (bb) fire; (cc) death; (dd) serious injury; (ee) capsize of a power- driven craft or boat; or (ff) severe pollution.