1. Underwater Navigation

2.  underwater navigation dive procedures, techniques,
planning, organization and potential problems. You'll also
be introduced to natural navigation, underwater
patterns, distance estimation and further your compass
navigation skills.

3. Specialty Course
 12 hours
 3 dives
 $150 + materials
 Adventure Dive counts towards specialty
 Specialty counts toward Master Scuba Diver cert.

4. Three types
 Natural navigation
 Landmarks, geological features, naturally occurring
references
 Instrumental
 compass
 Practical
 Combination

5. Underwater Patterns
 Out and back
 Expanding square
 Circular

6. Benefits of Navigation
 Reduces anxiety and confusion
 Avoid long surface swims
 Conserves air
 Avoids buddy separation
 Increases the effectiveness of a dive plan

7. Distance Estimation
 Kick cycles: when both legs complete one fin stroke,
pick one and count. Pace yourself, underwater
 Good for medium to long distances
 Arm spans
 Elapsed Time
 Tank pressure
 Measured line

8. Navigation Tools
 Compass
 Lubber line, index marks, bezel, compass card
 Line and reel