Course scope
Independent revision aid only. It does not replace the RYA Diesel Engine Course, manufacturer manuals, or qualified mechanical advice.
Compass Revision course
Diesel engine revision for boat owners and skippers covering basic operation, checks, maintenance, spares, and troubleshooting.
Independent revision aid only. It does not replace the RYA Diesel Engine Course, manufacturer manuals, or qualified mechanical advice.
Syllabus map
Trace command, combustion, support systems, transmission, safe fault boundaries, and the four-stroke cycle.
Preview module
Build a repeatable pre-start, after-start, under-load, and post-run evidence loop with clear departure and stop boundaries.
Preview module
Trace restriction, air entry, contamination and leakage through the installed fuel path, then prove a dry repair under the demand that exposed the fault.
Preview module
Trace seawater and closed-coolant heat paths, respond to lost flow or rising temperature, account for impeller damage, and prove a condition-matched release.
Preview module
Evidence-led air, exhaust, starting, charging and electrical safety revision with wet-exhaust and carbon-monoxide boundaries.
Preview module
Evidence-led service planning, exact spares, competence boundaries, safe isolation, worksite closure and condition-matched return to service.
Preview module
Evidence-led fault states, alarm and stop gates, one-change checks, condition-matched retesting, propulsion contingency and bounded release.
Preview module
Exact-system layup planning, cooling and waste boundaries, fuel/oil/battery decisions, inhibition records, storage monitoring and condition-matched recommissioning.
Preview module
Independent revision aid only. It does not replace the RYA Diesel Engine Course, manufacturer manuals, or qualified mechanical advice.
Work through each module lesson, test recall with the module quiz, and use the flashcards until the decision checks feel automatic. The content is written for revision and confidence building before formal training, assessment, or official documentation checks.