
Course and qualification
RYA Yachtmaster Ocean Theory Course
About this course
For centuries, sailors have guided their ships across oceans using celestial navigation or nautical astronomy. The RYA Yachtmaster Ocean Theory course teaches advanced techniques to those aspiring towards blue water cruising. This course will introduce you to the principles of astro navigation, the practical use of a sextant, measurement of time, compass checking, and position fixing by the sun.
Course fundamentals
| Minimum age | No RYA minimum age |
|---|---|
| Duration | 40 hours plus exam time. |
| Course content | The earth and the celestial sphere; Practical guide to use and care of sextant at sea; Meridian altitudes; Sun, star and other sights; Ocean passage planning |
| Certificate or qualification | The appropriate RYA course completion certificate is awarded following successful completion of the course and its prescribed assessment. |
| Award type | Course completion certificate |
| Separate assessment | Not required |
Prerequisites
Entry requirement
Navigation to Coastal Skipper & Yachtmaster Offshore Shorebased standard.
Check the official RYA prerequisite information (opens in a new tab)
Recommended course progression
We have not assessed your existing qualifications, knowledge or experience yet, so every step is shown as still to do.
View your course roadmap2 steps · Starts from the beginning
Follow these courses in order to build the course knowledge or certificates described above.
- Step 1 · To do
RYA Day Skipper Theory Course
RYA Day Skipper Theory is a theory-based course aimed at prospective yacht skippers and inexperienced crew looking to boost their knowledge and skillset. The course itself offers a comprehensive introduction…
Providers may set their own age rules, especially for under-18s.View course - Step 2 · To do
Coastal Skipper/Yachtmaster Offshore Theory
The RYA Coastal Skipper/Yachtmaster Offshore Theory course is an advanced shore-based program for experienced sailors. Topics include complex navigation, advanced meteorology, and passage planning in tidal waters. Participants also learn…
View course
Training providers
Where you can take this course
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- Training & Teaching
Cruising Association
Explore Cruising Association, a Training & Teaching listing in Limehouse Basin, London, United Kingdom.
Limehouse Basin, London, United Kingdom
- Training & Teaching
Oceanpro
Explore Oceanpro, a Training & Teaching listing in Beaulieu sur Mer, France.
Beaulieu sur Mer, France
- Training & Teaching
Nomad Sailing Shorebased
Explore Nomad Sailing Shorebased, a Training & Teaching listing in London, United Kingdom.
London, United Kingdom
- Training & Teaching
Manukau Institute of Technology
Explore Manukau Institute of Technology, a Training & Teaching listing in Warkworth, New Zealand.
Warkworth, New Zealand
- Training & Teaching
Metropolitan College Maritime & Superyacht Academy
Explore Metropolitan College Maritime & Superyacht Academy, a Training & Teaching listing in Piraeus, Greece.
Piraeus, Greece
- Training & Teaching
Dover Sea School
Explore Dover Sea School, a Training & Teaching listing in Ramsgate, Kent, United Kingdom.
Ramsgate, Kent, United Kingdom
- Training & Teaching
Active Travel – Trafalgar Sailing
Explore Active Travel – Trafalgar Sailing, a Training & Teaching listing in 136 Peninsular Heights, Gibraltar.
136 Peninsular Heights, Gibraltar
- Training & Teaching
Tec Rec Coaching Ltd
Explore Tec Rec Coaching Ltd, a Training & Teaching listing in Southampton, Hampshire, United Kingdom.
Southampton, Hampshire, United Kingdom










