Navigation General · Special Marks & Ranges
Special purpose marks (e.g., survey, aquaculture, military exercise areas) are what color in U.S. waters?
- AWhite
- BYellow✓ Correct
- COrange
- DBlue
Explanation
Special marks in the U.S. system are YELLOW and do not indicate navigational hazards or channel limits. They mark areas or features described on charts or in other publications.
Authority: 33 CFR 62 (U.S. ATON System)
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