What is required of a give way vessel to avoid collision?

Answer: B — Take significant action in ample time

The correct answer emphasizes that the give way vessel must take significant action in ample time to avoid a collision. This principle is fundamental in the application of the COLREGs, which aim to prevent maritime accidents by clearly defining the responsibilities of vessels when they are at risk of colliding. When a vessel is designated as the give way vessel, it has the obligation to maneuver in such a way that it can effectively prevent a collision. This involves making timely decisions to alter course or speed well in advance of a potential intersection. Such actions should ensure that the stand-on vessel, which has the right of way, can maintain its safe course and speed without requiring unexpected or drastic changes. Timeliness and decisiveness are crucial in navigating safely, as last-minute adjustments are often insufficient to avoid close-quarters situations. Therefore, taking significant action in ample time ensures that both vessels have the best chance to avoid a collision, promoting safety at sea.