A stand alone course designed to enable the offshore mariner to safely navigate extended passages using traditional methods. It includes practical navigation exercises and sample chartwork calculations.

The course aims to increase the candidates level of navigation knowledge up to Master of Yachts Limited 200 GT requirements.


  • 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
  • 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
  • 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
  • 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


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