BOTH INTERNATIONAL & INLAND In addition to sidelights, what light(s) should the vessel being towed astern show?

Correct Answer: Option C — A stern light

Rule 24(c) mandates that a vessel being towed astern must exhibit sidelights and a stern light. These lights ensure the towed vessel is visible to overtaking traffic and clearly defines the extent of the tow, preventing collisions by indicating the vessel's presence and orientation relative to the towing vessel.