BOTH INTERNATIONAL & INLAND Your power-driven vessel is underway when you sight a sailing vessel on your port bow. Which vessel is the "stand-on" vessel?

Correct Answer: Option A — The sailboat, because it is under sail

Under Inland Navigation Rules, for the condition where 'Your power-driven vessel is underway when you sight a sailing vessel on your port bow. Which vessel is the "stand-on" vessel', the correct requirement is: 'The sailboat, because it is under sail'. This standard ensures clear navigational intent and collision avoidance.