1. A vessel engaged in drawing a trawl or other fishing gear through the water (trawler) shall carry, in addition to the marking prescribed elsewhere in these regulations:
Two bright or ordinary lights, the upper light green and the lower light white, one above the other, not less than 1 m apart and high enough to be visible from all directions, forward of the light prescribed in article 3.08, paragraph 1 (a), the upper light lower than that light and the lower light at a height above the lights prescribed in article 3.08, paragraph 1 (b) at least twice the vertical distance referred to above; however, vessels less than 50 m long shall not in this case be required to carry the light prescribed in article 3.08, paragraph 1 (a);
Two black cones, point to point, one above the other and high enough to be visible from all directions.
2. Vessels engaged in fishing other than the vessels referred to in paragraph 1 shall carry the marking prescribed in that paragraph, except for the light prescribed inarticle 3.08, paragraph 1 (a) and, in place of the green light:
A bright or ordinary red light, such as to be visible from all directions;
and in addition, if the fishing tackle extends more than 150 m horizontally from the vessel, in line with the tackle:
A bright or ordinary white light, at a horizontal distance not less than 2 m and not more than 6 m from the two red and white lights prescribed above and at such a height as to be neither above the white light nor lower than the lights prescribed in article 3.08, paragraph 1 (b);
A black cone, point upwards.