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  • Maritime Master – IALA Buoyage screenshot 1
  • Maritime Master – IALA Buoyage screenshot 2
  • Maritime Master – IALA Buoyage screenshot 3
  • Maritime Master – IALA Buoyage screenshot 4

About Maritime Master – IALA Buoyage

Maritime Master – IALA is your pocket trainer for buoyage and navigation lights, built for real-world sailing and exam-style practice. See how IALA marks and light rhythms look, behave, then lock it in with targeted quizzes and mixed exams. Master the two big IALA challenges 1. Buoyage • Lateral marks for IALA Region A and Region B • Cardinal, special, safe water and isolated danger marks • Colours, shapes, topmarks and, crucially, what each mark means in practice 2. Navigation lights & rhythms • Fixed, occulting, isophase, flashing, quick, very quick, ultra quick • Morse, alternating and special patterns (including emergency wreck marks) • Realistic animated “bulbs” plus timeline-style charts that mirror standard exam diagrams Train the way exams test you • Buoyage Basics – match descriptions and light characteristics to the correct mark • Name That Buoy – image-only questions: identify the mark from the diagram • Light Rhythms – match written descriptions to the correct IALA abbreviation • Name That Light Pattern – watch the animated sequence, then choose the right answer • Mixed Exam – longer, mixed papers for full pre-exam practice Choose your IALA setup: • Region A, Region B, or A + B (mixed) The active region is always shown in the question so you’re never left guessing which convention applies. Built for sailors and navigation students • Ideal companion for popular theory and navigation courses • Clear explanations under each question so every mistake becomes a lesson • Modern, dark-friendly interface that echoes real chart symbols and light sequences Maritime Master – IALA is designed to help you walk into your next theory lesson, exam, or passage planning session feeling confident with buoyage and lights – not just memorising patterns, but truly understanding what they mean on the water.

What’s new

Version 1.1 · Updated July 21, 2026

- Light Simulator: choose how many cycles to display. Display time is now calculated from the light's period instead of being fixed at 20 seconds. - Corrected the Fl and L.Fl abbreviations to match the reference sheet. - Rhythms such as Mo(K) and Fl(9) can no longer be set to a period too short to contain them, the timeline and the light now always agree. - Clearer timeline grid at longer display times. The cycle count came directly from a customer request, thank you for writing in.

App privacy

The developer, MARITIME MASTER LIMITED, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

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