What does a white navigation light indicate?

A white navigation light is specifically used to indicate the stern of a vessel. This lighting is important for both visibility and safety, allowing other boaters to determine the position and orientation of the vessel at night or in low-light conditions. The stern light must be seen from behind the vessel, which aids in navigation and prevents potential collisions.

While other colors are designated for different parts of a boat—such as red for the port side and green for the starboard side—the white light serves a distinct purpose by indicating the rear, helping to enhance awareness of the vessel's direction and path on the water.