IALA Buoyage Systems
The International Association of Lighthouse Authorities (IALA) that standardised the world's navigational buoys into two systems
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The IALA buoyage systems were created in 1979 by the International Association of Lighthouse Authorities (IALA) to unify the worlds navigational buoys. While predominately successful, there are still 2 buoyage systems used throughout the world, system A and system B. All the buoys are the same in the 2 systems apart from Lateral buoys and Preferred Channel buoys, which use opposite colours between the two buoyage systems.
IALA Buoyage System A
Used in the majority of the world including Europe, Africa, Australia and most of Asia. Here's a list of some noticable countries that use the IALA System A.
IALA Buoyage System B
Used in the Americas, South Korea, Japan, the Philippines and the eastern Pacific.
|United States of America|
|British Virgin Islands|