Rules of the Road · Application & Demarcation Lines
A vessel anchored in a bay on the seaward side of the COLREGS Demarcation Line is governed by which rules?
- AU.S. Inland Navigation Rules
- B72 COLREGS✓ Correct
- CWhichever set the master elects
- DBoth rulesets simultaneously
Explanation
Position relative to the COLREGS Demarcation Line determines which ruleset applies — seaward of the line means 72 COLREGS govern, regardless of whether the vessel is underway or anchored.
Authority: 33 CFR Part 80
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