Rule 23 -Power driven Vessels underway
Rule 24– Towing and Pushing
Rule 25 – Sailing Vessels underway and vessel under oars
Rule 26 – Fishing Vessels
Rule 27 – Vessels not under command or restricted in their ability to manoeuvre
Rule 28 – Vessels constrained by their drafts
Rule 29– Pilot vessels
Rule 30– Anchored vessels and aground