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Navigation Rules
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DOWNLOAD COMDTINST M16672.2D, NAVIGATION RULES (International-Inland)

COMDTINST M16672.2D, Navigation Rules (International-Inland) (.pdf, 1.29 MB) is a compendium of: the International Regulations for Preventing Collisions at Sea, 1972 (72 COLREGS 72), the Inland Navigation Rules, their respective technical annexes, a listing of the COLREGS Demarcation Lines, the Vessel Bridge-to-Bridge Radiotelephone Regulations, and, various other legal provisions regarding compliance and penalties associated with the Navigation Rules; published on March 25th, 1999 by the U.S. Coast Guard Navigation Standards Branch at Coast Guard Headquarters, Washington, DC 20593-7856. Contact us...

Corrected Version

USCCG Commandant's Instruction M16672 Navigation Rules

By Section:

  • Part A-E (.pdf, 577 KB) - Subpart I-III
    • Rules 1 to 38
  • 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.
  • Errata Pages (.pdf, 339 Kb), read more...