Cardinal Marks

Named after the cardinal parts of the compass, they indicate the position of a danger

Test Summary

Difficulty:
980 Number of times this test has been taken.
86% The average score for this test.

Named after the cardinal parts of the compass, North, East, South, and West, cardinal marks indicate the position of a danger and the direction of the safe side on which to pass it. Cardinal Marks are constant in both IALA buoyage systems with distinctive yellow and black colours, topmarks, and white lights.


North Cardinal Mark

Colour
Black over Yellow
Shapes
Any shape but most commonly pillar or spar
Top Marks
2 cones pointing up
Lights
White, Q or VQ
Chart Symbol
North Cardinal Mark - Chart Symbol

East Cardinal Mark

Colour
Black Yellow Black
Shapes
Any shape but most commonly pillar or spar
Top Marks
2 cones pointing away from each other
Lights
White, Q(3) 15s or VQ(3) 5s
Chart Symbol
East Cardinal Mark - Chart Symbol

South Cardinal Mark

Colour
Yellow over Black
Shapes
Any shape but most commonly pillar or spar
Top Marks
2 cones down
Lights
White, Q(6) + LFl 15s or VQ(6) + LFl 10s
Chart Symbol
South Cardinal Mark - Chart Symbol

West Cardinal Mark

Colour
Yellow Black Yellow
Shapes
Any shape but most commonly pillar or spar
Top Marks
2 cones pointing towards each other
Lights
White, Q(9) 15s or VQ(9) 10s
Chart Symbol
West Cardinal Mark - Chart Symbol

Tests

Taking a test can be a great way to build on what you have learnt already and build confidence before taking a formal qualification test. The Cardinal Marks test consists of 5 questions randomly chosen from a selection.

980 Total Tests Taken
86% Average Score
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Terminology

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