What is the primary function of buoy lettering?

The primary function of buoy lettering is to serve as identification. Each buoy has a unique identification mark, which often includes numbers or letters that help mariners recognize and differentiate it from other buoys in the area. This identification is crucial for navigation, as it allows vessel operators to reference specific buoys in navigation charts and guides, enhancing safety and situational awareness.

While size, collision prevention, and color coding are relevant aspects of buoys, they do not encapsulate the main purpose of the lettering. The lettering's primary role is to provide a clear and immediate means of identifying the buoy’s position and function in the navigational system, thereby helping to ensure safe passage for vessels.