According to the Navigation Rules, you may depart from the Rules when _____________.

The correct response pertains to the understanding of navigation safety and the adherence to rules set forth to avoid collisions and ensure the safety of all vessels at sea. According to the Navigation Rules, you are permitted to depart from standard procedures in situations where there is immediate danger. This flexibility is built into the rules to account for emergencies, where the preservation of life and the vessel takes precedence over strict adherence to the rules.

In immediate danger, a vessel operator must act swiftly and sometimes make decisions that prioritize safety over protocol. For example, if a boat is on a collision course with another vessel and distress signals are unclear, the operator may need to maneuver in a way that deviates from standard navigation rules to avoid an accident.

The other options describe conditions that, while they may affect navigation, do not inherently justify a deviation from the rules. Conditions such as no vessels being in sight or not visible on radar primarily pertain to situational awareness and not to emergencies requiring immediate action. Similarly, being out of sight of land does not constitute a dangerous condition that requires a departure from established navigation protocols.