Why is a searchlight’s use important during a distress call at night?

Using a searchlight during a distress call at night is crucial because it helps to visually attract attention to the vessel needing assistance. In low-light conditions, visibility is significantly reduced, making it difficult for other boats or search teams to see a vessel in distress. The use of a searchlight can effectively illuminate the area around the vessel, creating a beacon of light that can be seen from a distance.

This visual signal is particularly important in emergency situations, as mere sounds or radio communications may not be sufficient to ensure that nearby vessels are aware of a distress situation. The attention drawn by the searchlight can prompt other boats to respond quickly, aiding in the overall rescue effort. Thus, the searchlight acts as a clear, recognizable signal that draws the focus of nearby vessels to the distressed ship, increasing the chances of a timely response and potential rescue.

While the other options might seem relevant in different contexts, they do not specifically address the primary function of a searchlight in a night-time distress scenario as effectively as the ability to attract visual attention.