(1) A ship belonging to a general lighthouse authority;
(2) a ship of less than 80 register tons engaged solely on coastal voyages; (3) a pleasure yacht which is: (a) engaged on a coastal voyage; or (b) engaged on any other voyage, provided that not more than 4 members of the crew receive wages for their employment; and (4) a coastal voyage by any ship solely for the purpose of trials of the ship, its machinery or equipment.
