A ship is registrable in Hong Kong when:
(i) non self-propelled barge carrying petroleum products or dangerous goods of any substance which falls within the purview of the International Convention of Pollution from ships Annexes I, II or III;
(ii) accommodation barge;
(iii) fishing vessel;
(iv) ship engaged in processing living resources of the sea, including whale and fish factories and aqua farming vessel;
(v) specialised ship engaged in research, expeditions or survey;
(vi) non-convention ship serving exclusively within the domestic waters of a country (other than Hong Kong and Mainland waters) and not proceeding to sea;
(vii) ship propelled by nuclear energy; or
(viii) mobile offshore drilling unit.