Rule 1—Application
Rule 2—Responsibility
Rule 3—General Definitions
COLREGS DEMARCATION LINES

Lesson 2 — PART B—Steering and Sailing Rules
Section I—Conduct of Vessels In Any Condition of Visibility

Rule 4—Application
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/Vessel Traffic Services

Lesson 3 — PART B—Steering and Sailing Rules
Section II—Conduct of Vessels In Sight of One Another

Rule 11—Application
Rule 12—Sailing Vessels
Rule 13—Overtaking
Rule 14—Head-on Situation
Rule 15—Crossing Situation
Rule 16—Action by Give-way Vessel
Rule 17—Action by Stand-on Vessel
Rule 18—Responsibilities Between Vessels

Lesson 4 — PART B—Steering and Sailing Rules
Section III—Conduct of Vessels In Restricted Visibility

Rule 19—Conduct of Vessels in Restricted Visibility

Lesson 5 — PART C—Lights and Shapes

Rule 20—Application
Rule 21—Definitions
Rule 22—Visibility of Lights
Rule 23—Power-driven Vessels Underway
Rule 24—Towing and Pushing
Rule 25—Sailing Vessels Underway and Vessels Under Oars
Rule 26—Fishing Vessels
Rule 27—Vessels Not Under Command or Restricted in Their Ability to Maneuver
Rule 28—Vessels Constrained by Their Draft
Rule 29—Pilot Vessels
Rule 30—Anchored Vessels and Vessels Aground
Rule 31—Seaplanes

Lesson 6 — PART D—Sound and Light Signals

Rule 32—Definitions
Rule 33—Equipment for Sound Signals
Rule 34—Maneuvering and Warning Signals
Rule 35—Sound Signals in Restricted Visibility
Rule 36—Signals to Attract Attention
Rule 37—Distress Signals