Tauchen (Fach) / Advanced Open Water Diver - Underwater Navigation (Lektion)

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Advanced Open Water Diver

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  • The benefits of underwater navigation include that it (check all that apply) 1. reduces confusion and anxiety 2. makes surface swims more enjoyable 3. increases dive plan effectiveness 4. extends your no decompression limits 5. conserves 1, 3, 5
  • You count a kick cycle every time you kick - True - False False
  • Which is not a commonly used method of estimating distance underwater? - arm spans - cylinder pressure - wave lenghts - elapsed time wave lenghts
  • Predive observation that assist your natural navigation include (check all that apply) 1. sun angle 2. compass horizon 3. waves, current and tidal movement 4. offshore objects 1, 3, 4
  • The best technique for natural naviagation is to descend head up with at least one buddy facing the desired travel direction - True - False True
  • Which is not a commonly used reference for natural navigation? - noise - currents - navigation markers - bottom contours navigation markers
  • Patterns for underwater navigation include (check all that apply) 1. circles 2. rectangles / squares 3. triangles 4. pentagons 5. out-and-back lines 6. stair steps 1, 2, 3, 5
  • One of the ways to make pattern use more effective is to have two buddies share responsibility for following the pattern - True - False False
  • Which features are important in an underwater compass (check all that apply) 1. lubber line 2. compass board 3. liquid filled 4. wrist lanyard 1, 3
  • A compass should be held - level so the needle doesn't lock - tipped slightly toward you so you can see it level so the needle doesn't lock
  • When setting a compass heading, the ___ points in the direction of travel and you turn the ___ so the index marks are over the ___ - compass needle, bezel, lubber line - lubber line, compass needle, bezel - lubber line, bezel, compass needle lubber line, bezel, compass needle
  • If your sense of direction conflicts with what the compass tells you, disregard the compass - True - False False