USCG Exam PracticeAids to Navigation — IALA-B (US) buoyage
Under IALA-A, what color are starboard-hand lateral marks?
- A. Red
- ✓ GreenCorrect
- C. White
- D. Black
Why B is correct
In IALA-A, starboard-hand marks are green — the same color as in IALA-B — but their lateral position is reversed relative to the channel when compared to IALA-B red marks.