In terms of navigation signals, what does a single prolonged blast serve as?

A single prolonged blast is recognized as a warning signal, particularly useful in scenarios where visibility may be limited, such as navigating around blind bends or in areas of congestion. This signal alerts other boaters to your presence and indicates that caution is required. By utilizing this signal, operators can communicate their location to those who may not be able to see them, thereby promoting safety on the water.

While maintaining distance, inviting others to follow, or indicating speed adjustments may involve other sound signals, they do not accurately reflect the purpose of a single prolonged blast. It is crucial for boaters to understand the significance of navigation signals, as they are essential for effective communication and the safe operation of vessels on waterways.