Question 556 Rules of the Road

The correct answer is D) All of the above. The International Regulations for Preventing Collisions at Sea (COLREGS) and the Inland Navigation Rules require a pilot vessel on pilotage duty to show its identity lights at all times, whether it is alongside a vessel, underway, or at anchor. This is to ensure the pilot vessel is clearly visible and identifiable to other vessels in the area, enhancing navigational safety. The other options are incorrect because they do not fully encompass the requirement for the pilot vessel to display its identity lights at all times while on pilotage duty, as per the applicable regulations.