Towing & Ship-Assist · Narrow Channels
Under Rule 9, a vessel of less than 20 meters or a vessel engaged in fishing must not impede the passage of a vessel that:
- AIs anchored
- BCan safely navigate only within a narrow channel or fairway✓ Correct
- CIs aground
- DIs at a dock
Explanation
Rule 9 protects deep-draft and constrained traffic: a vessel under 20 m and a vessel engaged in fishing shall not impede a vessel that can safely navigate only within a narrow channel or fairway. A large tow often falls in that protected category.
Authority: Navigation Rules, Rule 9(b) and (c)
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