|Regional or national deviation from Article is possible under the provisions of Chapter 9|
1. Pushed convoys shall carry:
(i) Three masthead lights at the bow of the leading vessel or the vessel on the port side at the head of the convoy. These lights shall be arranged in an equilateral triangle with a horizontal base, in a plane perpendicular to the longitudinal axis of the convoy. The top light shall be at a height of not less than 5 m.The two lower lights shall be about 1.25 m apart and about 1.10 m below the top light;
(ii) A masthead light at the bow of any other vessel whose full width is visible from ahead. This light shall so far as possible be 3 m below the top light referred to under (i).
The masts carrying these lights shall be in the longitudinal axis of the vessel in which they are carried;
(b) The side lights prescribed in article 3.08, paragraph 1 (b); these lights shall be placed on the widest part of the convoy, as near the pusher as possible, not more than 1 m from the sides of the convoy and at a height of not less than 2 m;
(i) Three stern lights as prescribed in article 3.08, paragraph 1 (c) on the pusher, placed in a line perpendicular to its longitudinal axis, about 1.25 m apart and high enough not to be hidden by another vessel in the convoy;
(ii) A stern light on every vessel whose full width is visible from astern; however, when more than two vessels other than the pusher are visible from astern, this light shall be carried only by the two vessels on the outside of the convoy.
2. The provisions of paragraph 1 above shall also apply to pushed convoys preceded by night by one or more auxiliary motorized vessels; however, the stern lights referred to in paragraph 1 (c) (i) above shall be yellow instead of white.
3. Pushed convoys with two pushers in side-by-side formation shall carry by night the stern lights prescribed in paragraph 1 (c) (i) on the pusher providing the main propulsion, the other pusher shall carry the stern light prescribed in paragraph 1 (c) (ii) above.
4. For the application of this chapter, pushed convoys whose maximum dimensions do not exceed 110 m by 12 m are regarded as single motorized vessels.
5. The provisions of this article shall not apply to small craft pushing only other small craft or to the pushing of small craft.