Lights and Shapes RULE 24 Towing and Pushing (a) A power-driven vessel when towing astern shall exhibit: (i) instead of the light prescribed either in Rule 23(a)(i) or 23(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 meters, three such lights in a vertical line; (ii) sidelights; (iv) a towing light in a vertical line above the sternlight; and (v) when the length of the tow exceeds 200 meters, a diamond shape where it can best be seen. Power-driven vessel towing astern-towing vessel less than 50 meters in length; length of tow 200 meters or less. Same for International. Lights and Shapes RULE 24-CONTINUED (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. head ded as le 23 Lights and Shapes RULE 24-CONTINUED (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. Composite unit underway-less than 50 meters in length. Same for International. Lights and Shapes RULE 24-CONTINUED (c) A power-driven vessel when pushing ahead or towing alongside, except in the case of a composite unit, shall exhibit: (i) instead of the light prescribed in Rule 23(a)(i) or (a)(ii), two Power-driven vessel pushing ahead or towing alongside towing vessel less than 50 meters in length. Lights and Shapes RULE 24-CONTINUED (c) A power-driven vessel when pushing ahead or towing alongside, except as required by paragraphs (b) and (i) of this Rule, shall exhibit: (i) instead of the light prescribed either in Rule 23(a)(i) or 23(a)(ii), two masthead lights in a vertical line; Power-driven vessel pushing ahead or towing alongside-towing vessel less than 50 meters in length. |