You are inbound on a course for the harbor and see a white light showing a Morse A to port. What should you do for safety?

Seeing a white light displaying a Morse A indicates that you are approaching a special buoy, typically marking a safe water or navigational feature. The Morse A is represented as a light pattern of one long flash followed by one short flash, and in this context, it signifies that you should pass the buoy in a specific manner.

When the buoy is to port, which means it is on your left side as you approach, the appropriate and safe action is to leave the buoy to port. This action ensures that you stay within the safe navigational limits or channels.

Leaving the buoy to starboard would mean passing it on the wrong side, which could lead to navigational hazards or potential collisions with other vessels or underwater obstacles.

The options of turning around or maintaining your course do not take into account the necessary action required to navigate safely past the buoy. Therefore, the correct response to ensure safe navigation when encountering a Morse A buoy on your port side is to leave it to port.