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Revise for your Yachtmaster in five-minute bursts.

General Rules is free for good. Upgrade for the other 21 topics, 350 more questions, timed mock exams and spaced repetition across the whole syllabus.

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Day ShapesTry one · Rule 30

A vessel is showing one black ball in the fore part. What is she telling you?

What you unlock

350 more questions, with lessons for each topic and mock exams.

  • COLREGS, Lights, Shapes & Sound Signals

    82 questions

  • Safety & Seamanship

    56 questions

  • Tides & Navigation Calculations

    42 questions

  • Buoyage & Chart Symbols

    35 questions

  • Radar & Electronic Navigation

    28 questions

  • Passage Planning

    26 questions

  • VHF Radio Procedure

    26 questions

  • Meteorology

    19 questions

  • Position Fixing

    18 questions

  • Engines & Systems

    18 questions

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Before you decide

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