Navigation Master

Navigation Master Course

The stand alone IYT Navigation course is an excellent way to improve on navigation skills learnt in the Bareboat Skipper and Yachtmaster Coastal courses and to prepare for the Navigation exercises and exams in the Yachtmaster Offshore course.

Island Spirit Thailand has scheduled the course over 4 days or 2 weekends to accommodate students who are working during the week.



  • IYT Bareboat Skipper or equivalent
Duration : 4 days

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    Course Details

    Day 1

    • Chart work instruments
    • The magnetic compass, variation and deviation
    • The Breton plotter
    • NOAA charts
    • Admiralty charts
    • Small craft charts
    • Projection
    • Scales
    • Horizontal datum
    • Units of measurement

    Day 2

    • Datum of soundings
    • Charted heights
    • Chart numbers
    • Source diagram
    • Editions and dates
    • Large scale charts
    • Notes, warnings, cautions
    • Detailed chart information
    • Nautical chart symbols and abbreviations
    • Angles and degrees

    Day 3

    • Latitude and Longitude
    • Defining a position
    • Chart work convections
    • Distance, speed, time and direction
    • Position by bearing and distance
    • Magnetic north
    • Compass error
    • Causes of deviation
    • Applying variation and deviation
    • The deviation card

    Day 4

    • Compass error
    • The hand bearing compass
    • Position lines and position fixes
    • Bearings at sea
    • Range/transit’s
    • Sectored lights
    • Clearing lines
    • Running fixes
    • Dead reckoning and estimated positions
    • The navigation log book