Buoys

Question 1

Which IALA buoyage system will you be using when entering a harbour in Singapore?

• IALA Buoyage System B
• IALA Buoyage System A

Question 2

Generally, the direction of buoyage when entering a river is towards the rivers source. True or False?

• False
• True

Question 3

If you are in IALA buoyage system B, is the following preferred channel to port or starboard?

• Port
• Starboard

Question 4

What colour is a starboard lateral marker if you are entering a harbour in France?

• 
• 

Question 5

What colour is a port lateral marker if you are entering a harbour in Australia?

• 
• 

Question 6

What are lateral marks used for?

• Identify special areas or features not primarily related to navigation assisstance
• Identify the location of underwater dangers such as submerged rocks
• The side of a channel
• To mark the site of a new wreck

Question 7

Red lateral marks are numbered with even numbers. True or False?

• False
• True

Question 8

The following image correctly shows a channel in IALA Buoyage System A. True or False?

• False
• True

Question 9

If you are in IALA buoyage system A, is the following preferred channel to port or starboard?

• Port
• Starboard

Question 10

Which direction should the following vessel turn to?

• Port
• Starboard