One platform
The sites share the same learning engine, account system, progress tools, and payment flow.
RYA theory, navigation, and marine radio
Compass Revision Network
Independent low-cost revision tools for RYA theory, navigation, and marine radio. Choose the site that matches what you are studying now, then start with the free preview modules.
Access is course-specific: buying one site unlocks that course only. The network helps you find the right revision tool.
Course brands
Pick the revision site for your current course
Day Skipper, Coastal Skipper, Yachtmaster, and Marine Radio SRC share the same platform, but each has its own domain, branding, content, progress, pricing, and unlock. Coastal is the post-Day-Skipper passage-making step; Yachtmaster is the exam-standard consolidation step for Coastal and Offshore candidates.
Day Skipper
Day Skipper Theory
Core navigation, chartwork, tides, COLREGs, weather, pilotage, and passage planning revision for Day Skipper students.
One-time unlock from £4.99
Open Day Skipper TheoryCoastal Skipper
Coastal Skipper Theory
For sailors progressing after Day Skipper into advanced coastal passage-making, pilotage, night navigation, tidal gates, weather, and skipper-level planning.
One-time unlock from £7.99
Open Coastal Skipper TheoryYachtmaster Offshore
Yachtmaster Theory
For Yachtmaster Coastal or Offshore candidates consolidating exam-standard navigation, meteorology, electronic position checks, safety, and passage decisions.
One-time unlock from £9.99
Open Yachtmaster TheoryMarine Radio SRC
Marine Radio Revision
Marine Radio SRC and VHF Radio revision with channels, DSC, MMSI, GMDSS, Mayday, Pan-Pan, Securite, and call scenarios.
One-time unlock from £12.99
Open Marine Radio RevisionSeparate courses
Each domain has course-specific modules, quizzes, flashcards, mock exams, tools, pricing, and entitlement. Coastal and Yachtmaster overlap by design, but their positioning is different: progression first, exam consolidation second.
Clear next step
Start on the site for the certificate or theory level you are studying, then move across the network when your training changes.
Start with the course you are studying now
Choose one revision site, try the free preview, and unlock only the course you need.