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West Johor Strait (1), Tuas 2nd Link (3), Pulau Seletar (3), Selat Pauh (1), South of Sentosa Island
Where are the 9 authorised water-skiing areas located?
Serangoon Harbour (south of Pulau Ubin, in the east Johore Strait)
Where is wind surfing/hand-gliding prohibited?
I have a diver down below (slow down and keep well clear)
What is Flag A?
I am taking, discharging or carrying dangerous cargo.
What is Flag B?
I have a Pilot onboard.
What is Flag H?
Quarantine, immigration or custom (keep at least 200m away)
What is Flag Q?
Buoys - serve as floating markers
What are the aids to navigations? (BY)
Beacons - serve as fixed markers
What are the aids to navigations? (BC)
Lighthouses serve as fixed markers
What are the aids to navigations? (LH)
Colour, shape and topmark
How do you distinguish the buoys and beacons in the DAY?
Colour and characteristic of lights
How do you distinguish the buoys and beacons in the NIGHT?
Starboard side - green and cone with apex pointing upwards. Port side - red and cylindrical
What are the colour, shape/topmark of the starboard and port hand buoys/beacons?
Black over yellow, 2 black cones pointing upward
What are Cardinal Marks? (North)
Yellow over black, 2 black cones pointing down.
What are Cardinal Marks? (South)
Black/yellow/black, 2 black cones base to base.
What are Cardinal Marks? (East)
Yellow/black/yellow, 2 black cones point to point.
What are Cardinal Marks? (West)