What does Rule 4 of the Navigation Rules cover?

Rule 4 of the Navigation Rules addresses the conduct of vessels in any condition of visibility. This rule is essential as it establishes guidelines for how vessels should operate when they may encounter reduced visibility, such as in fog, heavy rain, or darkness. It emphasizes the responsibility of vessel operators to take appropriate measures to ensure safety, including adjusting speed, maintaining a proper lookout, and using various navigational aids.

This rule sets the foundation for safe navigation regardless of visibility conditions, stressing the importance of being vigilant and responsible at all times on the water. By adhering to this rule, mariners can make informed decisions that reduce the risk of collisions and enhance overall maritime safety.