When navigating to the Welland Canal at St. Catherine, which color sector indicates the preferred channel?

In the context of navigating the Welland Canal at St. Catharines, the color sector that indicates the preferred channel is yellow. In marine navigation, color sectors are used to help mariners identify safe navigation routes. Yellow typically signifies a safe area where vessels can navigate without danger, often indicating the preferred route that leads safely through the channel.

The other colors, such as red and green, are commonly used in buoy systems to indicate port and starboard sides, respectively. White is often used for navigational aids but does not specify a preferred channel in this context. Yellow sectors in areas like the Welland Canal provide clear visual guidance to ensure vessels are navigating the safest and most efficient path through the waterway.