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 covers:

• 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

Click here to book a course.