Cardinal buoys are red in IALA buoyage system A and green in IALA buoyage system B. True or False?
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?
IALA Buoyage System A
What colour is a starboard lateral marker if you are entering a harbour in France?
Which buoys characteristics differ between the 2 IALA buoyage systems?