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Theory
Tests
What are the buoyage systems and which countries use which one
Error Submitting Test
What colour is a port lateral marker if you are entering a harbour in Australia?
Which IALA buoyage system will you be using when entering a harbour in Singapore?
Which IALA buoyage system will you be using when entering a harbour in Thailand?
Which IALA buoyage system will you be using when entering a harbour in Egypt?
Which IALA buoyage system will you be using when entering a harbour in Australia?