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RYA Yachtmaster Ocean Theory Course

Unravel the mysteries of astro navigation, using a sextant, ocean passage planning, worldwide meteorology and electronic navigation aids

Course description

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. For modern sailors it’s not only a fascinating art, but an essential aid to electronic navigation when crossing oceans.

This course will also cover the concepts of worldwide meteorology, including tropical revolving storms, and passage planning for ocean voyaging. Course content is expected to take a minimum of 40 hours to learn, plus exam time. 

Course overview

Course length

40 hours plus exam time.

Course format

This is a shorebased course that can be taken in the classroom, online or by distance learning.

Required experience

Navigation to Coastal Skipper & Yachtmaster Offshore Shorebased standard.

Minimum age

None

More information

  • 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

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