Lifebuoys
23.—(1) Lifebuoys shall comply with the requirements of Schedule 7, Part 2 of MSN 1676(M), except in those vessels described in paragraph (2).
(2) Lifebuoys carried in ships of less than 16.8 metres in length, of Classes VIII(1), VIII(A)(T), IX, IX(A), IX(A)(T), XI and XII, shall comply with the requirements of Schedule 7, Part 2 or part 3. Lifebuoys carried shall not be so mixed as to comprise at any one time lifebuoys complying with part 2 and lifebuoys complying with Part 3 of the said Schedule.
(3) If, in a ship described in paragraph (2), the lifebuoys shall comply with Schedule 7, Part 3, and the ship is one to which the provisions of regulations 18(3) or 21(4) apply, lifebuoys shall be carried equal in number to the total number of persons on board, but at no time less than two lifebuoys.