In addition to the Official Version found below (COMDTINST M16672.2D), there are insert pages to correct Changes and Typographical Errors which occured after printing.

DISCLAIMER: While information provided on this site is intended to assist visitors with convenient research and review of the Navigation Rules, it must not be used as a substitute for applicable United States Coast Guard publications.

Complete Version:

• Navigation Rules (International - Inland) (.pdf, 1.29 MB)

By Section:

• Part A/B (.pdf, 132 KB) (pg i-25) - Section / Subpart I
  • General
  • Conduct of Vessels in Any Condition of Visibility - Rules 1-10
    
• Part B (.pdf, 28 KB) (pg 26-37) - Section / Subpart II-III
  • Conduct of Vessels in Sight of One Another - Rules 11-18
  • Conduct of Vessels in Restricted Visibility - Rule 19
    
• Part C (.pdf, 359 KB) (pg 38-113) Lights and Shapes - Rules 20-31
  
• Part D & E (.pdf, 62 KB) (pg 114-131) Sound and Light Signals / Exemptions - Rules 32-38
  
• Annexes I-V (.pdf, 105 KB) (pg 132-173)
  • Positioning and Technical Details of Lights and Shapes
  • Additional Signals for Fishing Vessels Fishing in Close Proximity
  • Technical Details of Sound Appliances
  • Distress Signals
  • Pilot Rules
    
• Miscellaneous (.pdf, 127 KB) (pg 174-215)
  • Interpretive Rules
  • COLREGS Demarcation Lines
  • Penalties Provisions
  • Alternative Compliance - International / Inland
  • Waters Specified by the Secretary
  • Vessel Bridge-to-Bridge Radiotelephone Regulations
  • Vessel Traffic Services (VTS) call signs, designated frequencies, and monitoring areas.