M500-1.1.7

IALA maritime buoyage - regions A and B

M500-1 · Navigation · M500-1.1 Plan and Conduct Safe Navigation

Covers the IALA A/B buoyage regions — the lateral mark colour and shape reversal between regions, the marks that remain identical in both, and the master's command responsibility when operating in an unfamiliar region.

Related trainers

Practise what this lesson covers

DeckIALA buoyageLaterals in both regions, cardinals, and the rest of the buoyage family.

Independent preparatory study aligned to the MCA Master (Yachts less than 500 GT) oral examination syllabus. Not an MCA-approved course and confers no credit toward a Certificate of Competency.