Where would you expect to find channels marked with the IALA-A Buoyage System?

Correct Answer: Option C — India

The IALA-A buoyage system is utilized throughout Europe, Africa, and much of Asia, including India. In contrast, the IALA-B system is used in North and South America, Japan, and the Philippines. Navigators must consult the Sailing Directions to confirm the system in use for specific regions.