Diagram of a factious watercourse that is designed to show off the usage of various aids to navigation in Region B (North and South America, Japan, South Korea and Philippines) waters.
<br><br>This specific version, shows the daytime view, as would be observed by a person navigating by sight in daylight. It highlights the different colors and number sequences displayed by aids to navigation.
<a href="https://en.wikipedia.org/wiki/United_States_Coast_Guard" class="extiw" title="w:United States Coast Guard">United States Coast Guard</a>
<a rel="nofollow" class="external text" href="https://www.navcen.uscg.gov/pdf/navRules/US_ATON_Guide.pdf">U.S. Aids to Navigation System</a>