What should a vessel do to properly assess a situation while underway?

To properly assess a situation while underway, it is crucial for a vessel to slacken speed or stop/reverse propulsion. Reducing speed allows the operator to enhance their situational awareness and evaluate the surroundings more carefully. This action provides time to observe other vessels, navigational markers, potential hazards, and changing weather conditions. Slowing down or stopping enables the captain to make more considered decisions and avoid situations that could lead to collisions or grounding.

In contrast, increasing speed can lead to a rush in decision-making, making it harder to respond appropriately to unforeseen circumstances. Maintaining current speed might not be suitable in situations where caution is necessary; for example, in narrow channels or crowded waters. Abruptly changing course can create unexpected maneuvers that may confuse other vessels and lead to unsafe scenarios. Hence, the best practice for assessing a situation safely is to reduce speed or come to a halt, which facilitates a clearer evaluation of the vessel's environment.