1. Ferry-boats not moving independently shall carry:
By night:
(a) A bright white light visible from all directions, at a height of not less than 5 m;
(b) A bright green light visible from all directions, about 1 m above the light referred to in (a) above;
By day:
A green ball at a height of not less than 6 m.
The height of the bright white light and the green ball may be reduced if the ferry-boat is of a length of less than 20 m.
2. The leading boat or float of a longitudinal cable ferry-boat shall carry, by night, not less than 3 m above the water level, a bright white light visible from all directions.
3. Ferry-boats moving independently shall carry:
By night:
(a) A bright white light visible from all directions, as prescribed in paragraph 1 (a) above;
(b) A bright green light visible from all directions, as prescribed in paragraph 1 (b) above;
(c) The side lights and stern light prescribed in article 3.08, paragraphs 1 (b) and (c);
By day:
A green ball, as prescribed in paragraph 1 above.