RYA/MCA Yachtmaster Ocean

The Celestial Sphere

introduction to astronavigation - position of celestial bodies - declination - hour angles - the Nautical Almanac - glossary of terms and definitions

Time and Angle Measurement

definition of time - GMT - timekeeping at sea - chronometers and watches - principle of a sextant - parts of a sextant - buying a sextant - adjustments

Altitudes and Latitude by Meridian Altitude

taking a sight - the sun, stars and planets - timing a sight - meridian passage - latitude by noon sight - function of the PZX triangle

Position Line by the Tabular Method

sight reduction tables - assumed positions - Air Navigation Tables - double and simultaneous sights - plotting charts and sheets

Stellar and Planetary Observations

identification of stars - constellations - star sight planning - rising and setting of celestial bodies - identification of planets - the solar system

Special Observations

phases of the moon - observations of the moon - the value of the pole star (Polaris) - compass error and deviation by observation

Practical Astro Observations

daily routine - preparation for taking sights - timing of sights - sights in rough weather - errors in computations - probable positions

Ocean Meteorology and Climatology

oceanic winds and weather - the doldrums, trade winds and monsoons - approach of and avoidance of tropical storms - current circulations

Calculator and Satellite Navigation

using a calculator - functions and facilities - satellite navigation and theory - GPS and other systems

Ocean Cruising and Passage Planning

great circle sailing - practical cruising - type of craft - equipment and provisioning - choosing the best route

ICC │ RYA Basic Navigation │ RYA Day Skipper │ Coastal Cruising │ Coastal Skipper/Yachtmaster │ Ocean Cruising │ Yachtmaster Ocean

This course covers the prescribed syllabus for the award of the RYA/MCA Yachtmaster Ocean shorebased certificate.

When out of sight of land for prolonged periods we can no longer depend on the comforting presence of traditional navigational marks, and so we have to rely on the sun, moon and stars as well as electronic aids to find our position and maintain our intended ocean route. Whilst looking at both these aspects of navigation this course concentrates on astronavigation by observation of all the celestial bodies. No advanced mathematics is involved nor is the possession of a sextant required.

Assuming a prior knowledge of coastal navigation, the recognition of the stars and navigational planets is explained together with the use of a sextant. Electronic instrumentation, now in everyday use, is a vital part of the course. Meteorology and climatology, and the planning of ocean passages, complete the syllabus.

Syllabus includes - Rollover arrows for information

• The Celestial Sphere
• Time and Angle Measurement
• Altitudes and Latitude by Meridian Altitude
• Position Line by the Tabular Method
• Stellar and Planetary Observations

• Special Observations
• Practical Astro Observations
• Ocean Meteorology and Climatology
• Calculator and Satellite Navigation
• Ocean Cruising and Passage Planning


Price:		Course YMO Course material includes 10 modules, extracts from the Nautical Almanac, practice astronomical tables, personal tuition (including 5 NMCS assessment papers), RYA/MCA Yachtmaster Ocean shorebased assessment and certificate. Course can be completed in as little as four weeks. On average, at 4 hours a week it could take 5 - 6 months to complete. Full tutor support is provided for 12 months.

	£250.00 (full fee)

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