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Yachtmaster Ocean Theory

The RYA Yachtmaster Ocean Theory week teaches you celestial navigation, including the use of a sextant. You will leave the course confident that you have the knowledge and skills required to navigate an ocean passage using traditional methods.

Yachtmaster Ocean TheoryThe syllabus includes:

  • The earth and the celestial sphere
  • The PZX triangle
  • The use of a sextant
  • Measurement of time
  • Meridian altitudes
  • The nautical almanac and sight reduction tables
  • Plotting of position lines
  • Sight planning
  • Sun, star and other sights
  • Sight reduction and plotting
  • Ocean meteorology
  • Ocean currents
  • Passage planning and preparation
  • Ocean communication

The Sextant

Following the course you will be familiar with the sextant and sight reduction, and be ready to put your new skills into practice at sea.

What's included

Equipment, tuition and certification.

  • RYA YM Ocean Shorebased

Before you start

You have passed the RYA Yachtmaster Shorebased Theory course or have the equivalent knowledge of navigation and seamanship.

What next?

You now need to complete your a qualifying ocean passage, after which you will be ready to submit your celestial sights to the RYA for an oral examination for the Yachtmaster Ocean certificate of competence.

For a complete package of training including Yachtmaster Ocean theory, Radar, HF Radio and a qualifying passage, see Yachtmaster Ocean Theory and Passage.

    See also

    • Yachtmaster Ocean Theory & Qualifying Passage

      This course prepares experienced skippers for the prestigious RYA/MCA Yachtmaster Ocean Certificate of Competence. The programme combines the RYA Yachtmaster Ocean Theory course with an exhilarating Pacific ocean qualifying passage.
    • Yachtmaster Ocean Fast Track

      The Yachtmaster Ocean Fast Track in Sydney first trains you for your RYA Yachtmaster Offshore Certificate. Then you go on to learn celestial navigation and complete an ocean qualifying passage, in preparation for the RYA Yachtmaster Ocean oral exam.