The is the global standard for sea marks used to guide vessels and warn mariners of hazards. You can download the official R1001 IALA Maritime Buoyage System PDF from the Commissioners of Irish Lights . Understanding the IALA System
Lateral marks are the only part of the system that varies by region. They indicate the port (left) and starboard (right) sides of a channel. About The Organization - IALA iala buoyage system pdf download
The system was established by the International Association of Marine Aids to Navigation and Lighthouse Authorities (IALA) to create a uniform framework for navigation. It utilizes six distinct types of marks, categorized by their color, shape, and light patterns. The is the global standard for sea marks