(1) A ship owned by a general lighthouse authority;
(2) a ship of less than 80 register tons engaged solely on coastal voyages; (3) a pleasure yacht on a coastal voyage, or any other voyage if no more than 4 crew are paid; and (4) a coastal voyage by any ship solely for the purpose of trials of the ship, its machinery or equipment. “Coastal voyage” means a voyage between places in the British Islands, including the Republic of Ireland.
