Question 858 Rules of the Road

The correct answer is B) be required to show the lights of a power-driven vessel underway. When a self-propelled dredge is not engaged in dredging but is proceeding to a dredging location at night, it is considered a power-driven vessel underway and must display the lights required for such a vessel, as per the International Regulations for Preventing Collisions at Sea (COLREGS) and the Inland Navigation Rules. The other options are incorrect because: A) a self-propelled dredge is required to show lights when underway, even if not actively dredging; C) the lights characteristic of a dredge are only required when the dredge is engaged in dredging operations; and D) the lights of a stationary dredge are not applicable when the dredge is in motion.