Rule 4 - Visibility

International & Inland

There are 3 sections to Part B, steering and sailing rules:

Section I applies to "any condition of visibility" and includes rules 4-10. these rules must be followed at all times.

Rule 4 - Visibility
Rule 5 - Look Out
Rule 6 - Safe Speed
Rule 7 - Risk of collision
Rule 8- Action to Avoid Collision
Rule 9 - Narrow Channels
Rule 10 - Traffic Separation Schemes

Section II includes Rules 11-18 and applies to vessels "_in sight of one another"

Rule 11 - Vessels in Sight of One Another
Rule 12 - Sailing Vessels
Rule 13 - Overtaking
Rule 14 - Head on Situation
Rule 15 - Crossing Situation
Rule 16 - Action by the Give Way Vessel
Rule 17 - Action by Stand on Vessel
Rule 18 - Responsibilities Between Vessels

Section III applies to vessels in "restricted visibility" and is comprised of rule 19

Rule 19 - Conduct of Vessels in Restricted Visibility