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Module 1
Not startedIALA A vs B Overview
What the buoyage system is, where Region A and Region B differ, and how to avoid mixing the lateral colours.
4 topics - lesson, quiz, and recall checks
IALA systemRegion ARegion B
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Course modules
IALA A Buoyage modules
Start with the free revision module, then unlock all practice and revision features.
Getting started
IALA A Buoyage learning route
Work through the revision path in order, then use each module's Practise and Test steps and flashcard pass to turn reading into recall.
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5 modules
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Module 2
Premium lockedLateral and Preferred Channel Marks
Region A port, starboard, preferred-channel-to-port, and preferred-channel-to-starboard marks by colour, shape, and pass side.
4 topics - lesson, quiz, and recall checks
port-hand marksstarboard-hand markspreferred channel
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Module 3
Premium lockedCardinal Marks and Flash Rhythms
North, east, south, and west cardinal marks with colour bands, topmarks, safe side, and quick-flash rhythm memory.
4 topics - lesson, quiz, and recall checks
north cardinaleast cardinalsouth cardinal
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Module 4
Premium lockedDanger, Safe Water, Special, and Emergency Wreck Marks
Isolated danger, safe water, special marks, and emergency wreck marking with recognition cues and light rhythms.
4 topics - lesson, quiz, and recall checks
isolated dangersafe waterspecial marks
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Module 5
Premium lockedNight Identification and Mixed Drills
Mixed recall for shapes, colours, topmarks, pass side, and flash sequences before using buoyage in pilotage.
4 topics - lesson, quiz, and recall checks
light rhythmstopmark recognitionsafe side
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