BOTH INTERNATIONAL & INLAND A power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is to __________.

Correct Answer: Option D — keep clear, passing at a safe distance

Under Inland Navigation Rules, for the condition where 'A power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is to', the correct requirement is: 'keep clear, passing at a safe distance'. This standard ensures clear navigational intent and collision avoidance.