Yachtmaster Ocean theory (astro)
Celestial navigation with every position computed live by the astro engine — GHA and declination, the correction ladder, noon latitude, the intercept method — plus ocean routeing, tropical weather, time-keeping and stores. Maps to the Yachtmaster Ocean shorebased syllabus topics. Not affiliated with or endorsed by the RYA. Your revision book collects notes across every course.
This is a paid course — £19.99/$19.99, or everything for £49.99/$49.99. Browse the lesson list freely; lessons unlock on purchase.
Unlock →Where this sits
Stage 4 on the ladder- Assumes:
- Coastal Skipper / Yachtmaster Offshore theory.
- You’ll be able to:
- Navigate an ocean passage by sun and stars.
- Best after:
- Coastal Skipper / Yachtmaster Offshore theory
Unit 1 of 2
Celestial navigation
Unit 2 of 2
The ocean passage
10 lessons. Lessons shared with other courses carry their progress with them.