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When navigating in a narrow channel or fairway, it is essential to navigate with caution and be prepared to take evasive action. This approach is crucial due to the confined space and the increased risk of encountering other vessels. The potential for unexpected maneuvers or situations, such as a vessel experiencing difficulty or another vessel breaching the safe passage distance, necessitates a vigilant and adaptable mindset.

Maintaining a heightened level of awareness allows for timely responses to any changes in traffic or navigational conditions. Being ready to take evasive action includes understanding the limitations of your own vessel, the possible actions of other vessels, and the navigational aids in the area. This proactive attitude ensures not only the safety of your vessel but also the safety of other vessels navigating the channel.

Options that focus solely on keeping to one side, maintaining speed, or relying solely on radar, while important aspects of navigation, do not sufficiently address the dynamic and often unpredictable nature of a busy narrow channel scenario. Therefore, prioritizing caution and readiness enables a more effective and safe transit through these challenging waters.