IALA A Buoyage revision module 3 of 5
CARD
Cardinal Marks and Flash Rhythms
North, east, south, and west cardinal marks with colour bands, topmarks, safe side, and quick-flash rhythm memory.
north cardinaleast cardinal
8 guided lessons · 10 practice questions · 10 flashcards
3 outcomes · self-guided revision
- State the named compass side on which safer water lies relative to a cardinal mark's point of interest, then identify what the current chart and vessel plan must still establish.
- Relate the named north, east, south and west cardinal quadrants to true bearings from a point of interest without turning quadrant geometry into an uncharted steering sector.
- Identify all four cardinal marks by combining double-cone orientation and black-and-yellow band order, including the limits of body shape and topmark availability.
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