Course modules
Start with the free revision module, then unlock all practice and revision features.
Getting started
Work through the revision path in order, then use each module's Practise and Test steps and flashcard pass to turn reading into recall.
2 modules are open now. Start with the teaching-first lesson beside this introduction; placement remains optional.
2 modules
Open another available module when you are ready.
Module 1
Not startedTrace command, combustion, support systems, transmission, safe fault boundaries, and the four-stroke cycle.
7 topics · Learn, Practise and Test
Module 2
Not startedBuild a repeatable pre-start, after-start, under-load, and post-run evidence loop with clear departure and stop boundaries.
4 topics · Learn, Practise and Test
6 modules
Preview a representative lesson, then unlock full revision access when you are ready to continue.
Module 3
Premium lockedTrace restriction, air entry, contamination and leakage through the installed fuel path, then prove a dry repair under the demand that exposed the fault.
4 topics · Learn, Practise and Test
Module 4
Premium lockedTrace seawater and closed-coolant heat paths, respond to lost flow or rising temperature, account for impeller damage, and prove a condition-matched release.
8 topics · Learn, Practise and Test
Module 5
Premium lockedEvidence-led air, exhaust, starting, charging and electrical safety revision with wet-exhaust and carbon-monoxide boundaries.
8 topics · Learn, Practise and Test
Module 6
Premium lockedEvidence-led service planning, exact spares, competence boundaries, safe isolation, worksite closure and condition-matched return to service.
8 topics · Learn, Practise and Test
Module 7
Premium lockedEvidence-led fault states, alarm and stop gates, one-change checks, condition-matched retesting, propulsion contingency and bounded release.
8 topics · Learn, Practise and Test
Module 8
Premium lockedExact-system layup planning, cooling and waste boundaries, fuel/oil/battery decisions, inhibition records, storage monitoring and condition-matched recommissioning.
8 topics · Learn, Practise and Test
Audio Challenge
Five spoken decisions with authored answers, reviewed explanations, and no microphone.
Audio revision is available. Listen to 8 short recaps alongside the modules.