BOTH INTERNATIONAL & INLAND If a rowboat underway does NOT show the lights specified for a sailing vessel underway, it shall show which of the following?

Correct Answer: Option C — a white light exhibited in sufficient time to prevent collision

Rule 25(d)(ii) permits a vessel under oars (such as a rowboat) that does not display standard sailing lights to keep an electric torch or lighted lantern showing a white light ready at hand, to be exhibited in sufficient time to prevent a collision.