30. Navigation - Car Park

1. The Compass
    
   1. Two types
   2. How to wear a wrist mounted compass
   3. North Seeking needle - always points to double notches
   4. Rotating Bezel
   5. Direction of swim arrow
   6. Lubber Line
   7. Degrees - North, East, South and West
   8. Viewing window
   9. Holding - centrally, level and ensure disk/needle can move freely
   10. Magnetic forces e.g., cylinders, wrecks
   11. Accuracy
        
2. Panic Bearings
    
   1. a. Don’t move bezel
       
3. Taking a bearing
4. Swim on a bearing underwater
    
   1. a. Beware positioning, i.e., horizontal
   2. b. Hold centrally
   3. c. Technique
5. Measuring distance
    
   1. Time
   2. Fin strokes
   3. Air Pressure (Bar)
   4. Arm widths
6. Reciprocals
7. Triangles and squares
8. Don’t forget buddy!

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Page updated on April 2, 2005