USCG Exam PracticeAids to Navigation — IALA-B (US) buoyage
In the IALA-B system, what numbering convention is applied to green starboard-hand lateral buoys?
- A. Even numbers
- ✓ Odd numbersCorrect
- C. Letters only
- D. No numbers; green buoys are unlighted only
Why B is correct
Under IALA-B, even numbers are assigned to red (port-hand) aids and odd numbers to green (starboard-hand) aids when returning from sea.
Cited:Bowditch Ch. 5 §501