BOTH INTERNATIONAL & INLAND A 45-meter vessel is pulling a 210-meter tow. Which lights is she required to exhibit?

Correct Answer: Option D — three masthead lights forward and one aft

Rule 24(a) requires three masthead lights in a vertical line when the length of the tow, measured from the stern of the towing vessel to the after end of the tow, exceeds 200 meters. The towing vessel must also display a stern light and a towing light above it.