US Inland Navigation Rules for U.S. Waterways, Great Lakes+Canada. Contents: GENERAL STEERING AND SAILING RULES LIGHTS AND SHAPES SOUND AND LIGHT SIGNALS EXEMPTIONS ANNEXES ABOUT   PART A - GENERAL Rule 1 - Application Rule 2 - Responsibility Rule 3 - General Definitions   PART B - STEERING AND SAILING RULES Subpart 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   Subpart 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   Subpart III - Conduct of Vessels in Restricted Visibility Rule 19 - Conduct of Vessels in Restricted Visibility   PART C - LIGHTS AND SHAPES Rule 20 - Application Rule 21 - Definitions (Navigation Lights Arcs of Visibility) 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   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   PART E - EXEMPTIONS Rule 38 - Exemptions Annexes, Interpretative Rules, and other associated Navigation Regulations

Learn Navigation Lights & Shapes - Colregs, Essential quick reference knowledge

Towing vessel stern aspect - Colregs: Navigation Lights & Shapes for skippers and crew of recreational and commercial vessels, quick reference tool to help them identify vessels in their vicinity and the activities they are engaged in, as specified in Part C: “Lights and Shapes” (Rules 20-31) of the International Regulations for Preventing Collisions at Sea (IRPCS) or ColRegs. #colregs #navigation #lights #rules #IRPCS #shapes