Which section discusses 'Conduct of Vessels in Restricted Visibility'?

The section that discusses 'Conduct of Vessels in Restricted Visibility' is indeed found in Part B Section 3 of the COLREGs. This section provides regulations specifically aimed at vessels navigating in conditions where visibility is significantly reduced, which can occur due to factors such as fog, rain, or heavy seas.

The regulations in this section emphasize the importance of caution and the necessity for vessels to ensure they adhere to special measures to avoid collisions when visibility is compromised. This includes actions such as reducing speed, maintaining a proper lookout, and using sound signals to communicate their presence to other vessels.

Understanding this section is crucial for navigators and operators, as it directly relates to the procedures that should be followed under challenging visibility conditions to enhance maritime safety.