Essential Navigation revision module 3 of 10
IALA
Buoyage and Marks
IALA Region A lateral marks, cardinal marks, safe water marks, isolated danger, and special marks.
lateral markscardinal marks
4 guided lessons · 8 practice questions · 8 flashcards
3 outcomes · self-guided revision
- Explain iALA Region A lateral marks, cardinal marks, safe water marks, isolated danger, and special marks.
- Apply lateral marks to a realistic onboard situation.
- Recall the core check: lateral marks guide channels and harbour approaches.
A self-guided revision companion that explains essential concepts, then helps you practise and test them. It supports—but does not replace—recognised instruction, practical training, assessment or certification. Access is a one-time payment, not a subscription.
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Practise, topic tests, flashcards and interactive trainers are included with full revision access (£4.99 one-time).