Contents

Treasure Hunt Using Navigation

Certification Card

Advanced Compass Navigation 1

Advanced Compass Navigation 2

Advanced Compass Navigation 3

Advanced Compass Navigation 4

Advanced Compass Navigation 5

Creating a Seafloor Topographic Map 1

Creating a Seafloor Topographic Map 2

Creating a Seafloor Topographic Map 3


■Square Navigation

Practice swimming a square pattern using your compass.



1

Mark your starting point directly below you.

2

Select a clear target in your direction of travel.

3

Hold the compass level and align the direction-of-travel line with your target.

4

Rotate the bezel until the north end of the needle is aligned between the index marks.

5

Keep the needle centered and swim straight for 10 kicks. Stop.

6

Rotate the bezel 90 degrees counterclockwise.

7

Turn your body until the north end of the needle is centered again.

8

Swim straight for 10 kicks. Stop.

9

Rotate the bezel another 90 degrees counterclockwise.

10

Turn until the needle is centered between the index marks.

11

Swim straight for 10 kicks. Stop.

12

Rotate the bezel 90 degrees counterclockwise again.

13

Turn until the needle is centered.

14

Swim straight for 10 kicks. Stop.

15

Confirm that you have returned to your starting point.

16

Once you can return accurately, increase the distance.
Practice selecting natural references and navigating without constantly looking at your compass.



BACK   NEXT

© net-diver school.2006.All rights reserved