Page 168 - Collision Avoidance Rules Guide

length to combine the sidelights in one lantern. Paragraph (c) was
amended in 198 1 to extend the use of the all-round white light and to
permit it to be displaced from the fore and aft centreline.

RULE 24
Towing and Pushing

(a) A power-driven vessel when towing shall exhibit:
(i) instead of the light prescribed in Rule 23(a)(i) or (a)(ii),
two masthead lights in a vertical line. When the length of
the tow, measuring from the stern of the towing vessel to
the after end of the tow exceeds 200 metres, three such
lights in a vertical line;
(ii) sidelights;
(iii) a sternlight;
(iv) a towing light in a vertical line above the sternlight;
(v) when the length of the two exceeds 200 metres, a dia-
mond shape where it can best be seen.
(b) When a pushing vessel and a vessel being pushed ahead are
rigidly connected in a composite unit they shall be regarded
as a power-driven vessel and exhibit the lights prescribed in
Rule 23.
(c) A power-driven vessel when pushing ahead or towing along-
side, except in the case of a composite unit, shall exhibit:
(i) instead of the light prescribed in Rule 23(a)(i) or (a)@),
two masthead lights in a vertical line;
(ii) sidelights;
(iii) a sternlight.
(d) A power-driven vessel to which paragraphs (a) or (c) of this
Rule apply shall also comply with Rule 23(a)(ii).
(e) A vessel or object being towed, other than those mentioned in
paragraph (g) of this Rule, shall exhibit:
(i) sidelights;
(ii) a sternlight;
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