BOTH INTERNATIONAL & INLAND Which vessel shall display the lights shown in illustration D060RR below?

Correct Answer: Option A — a vessel towing

Rule 24(a) requires a power-driven vessel towing to exhibit two masthead lights in a vertical line. If the length of the tow, measured from the stern of the towing vessel to the after end of the tow, exceeds 200 meters, three masthead lights must be displayed in a vertical line.