RYA Yachtmaster Theory

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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.

Public lessons across the 20-module syllabus

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Assessment decisions

Explain safe command choices, priorities and margins aloud.

Electronic navigation

Cross-check electronic sources and recognise their limitations.

Restricted visibility

Combine COLREGs, radar, sound signals and safe speed.

Advanced safety

Lead crew and vessel responses through demanding scenarios.

Assessment chartwork

Resolve position, course, tide and safety-margin problems

Interactive tools and study guides

Interactive tools

Work through the difficult parts

Course to steer practiceDefend a complete plot with tide, leeway and compass corrections.Estimated position workbenchInspect how estimated effects change a DR position.COLREGs lights and shapesTest aspect, restricted visibility and consequence-led decisions.
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Guides and study help

Source-reviewed answers in context

Yachtmaster syllabus checklistSee every Yachtmaster topic and choose where to begin.Build a study planSet a realistic weekly rhythm around your own course or assessment date.How the course worksSee how lessons, practice, recall and review fit together.
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Cover of The New Skipper's First Passage

Compass Conversations audiobook

The New Skipper's First Passage

Ten practical conversations about passage planning, tides, weather, buoyage, collision avoidance and marine radio. Pause with Maya, make the decision, then hear Ben work through the practical reasoning.

10 conversationsNarrated by a digital voiceFictional route
Listen on Spotify (opens Spotify in a new tab)

Written by Richard Moore

Independent revision support, not a pilotage guide or recognised course. The fictional passage uses IALA Region A lateral buoyage; learners in Region B should keep their local buoyage guidance separate.

Useful to know

Yachtmaster revision questions

Is this an official RYA course?

No. This is an independent revision aid for the Yachtmaster syllabus. It does not award an RYA certificate or replace recognised training.

What does full revision access cost?

Public lesson articles are free across the syllabus, and 3 complete revision modules are open. £9.99 full revision access adds guided practice, topic tests, flashcards, interactive modes, progress, and mocks as a one-time payment with no subscription.

Do I need an account to begin?

No. You can open the free modules and diagnostic first. An account helps you keep eligible access and learning records available across devices.

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