Chart Navigation & Plotting · Aids to Navigation
Under the IALA Region B system used in U.S. waters, returning from seaward you keep red buoys:
- AOn your port side
- BOn your starboard side✓ Correct
- CEither side; color is not significant
- DAstern
Explanation
'Red, Right, Returning' — in IALA Region B (the Americas, Japan, Korea, the Philippines), red lateral marks are kept to starboard when returning from seaward, and green marks to port. Region A reverses the colors.
Authority: USCG Navigation Rules; IALA Maritime Buoyage System Region B
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