10CHAPTER 11CHAPTER 12CHAPTER Metric Lift Example ..........................................226 Summary ..............................................................227 For Further Reading ............................................227 Diving Techniques and Deeper Diving 228 Learning Goals .....................................................230 Communications ..................................................230 Dive Flags ..........................................................230 Equipment Considerations ..................................231 Buoyancy Control .................................................232 Loss of Buoyancy ..............................................233 Excessive Positive Buoyancy ............................233 Buddy System .......................................................234 Deep Diving ..........................................................234 Personal Limitations ........................................234 Emotional Status ..............................................234 Health and Fitness ............................................235 Training.............................................................235 Experience .........................................................235 Self-Discipline ...................................................235 Environment .....................................................236 Diving Companion ............................................236 Equipment .........................................................236 Planning a Deep Dive ..........................................236 Dive Site .............................................................236 Environmental Conditions ...............................237 Equipment Selection ........................................237 Scuba Cylinder ..................................................237 Cylinder Configurations and Valves.................237 Regulator ...........................................................238 Other Equipment ..............................................238 Personnel ..............................................................239 Planning a Deep Dive Profile..............................240 Gas Management .................................................240 Metric Example .................................................240 English (Imperial) Example ............................241 Emergency Procedure Considerations ............241 Potential Hazards.................................................242 Effects of Increased Pressure ...........................242 Insufficient Experience.....................................243 Increased Stress ................................................243 The Deep Dive ......................................................243 Assemble and Check Equipment .....................243 Suit Up ...............................................................243 Final Briefing ....................................................243 Dive Support Station ........................................243 Deployment .......................................................244 Descent and Buoyancy Control ........................244 On the Bottom ...................................................244 Ascent ................................................................245 Safety or Decompression Stop .........................245 Exit and Post-Dive Activity ..............................245 Summary ..............................................................245 For Further Reading ............................................246 Technical Diving 248 Learning Goals .....................................................250 Advanced Recreational Diving Specialties .........250 Extended Range Diving ...................................250 Enriched Air Nitrox ..........................................250 Trimix Diving ....................................................251 Equipment for Technical Diving ........................252 Training ................................................................254 Summary ..............................................................255 For Further Reading ............................................255 Boating, Diving, and Seamanship 256 Learning Goals .....................................................258 Inflatables .............................................................258 Open Skiffs............................................................259 Runabouts, Cabin Cruisers, and Larger Yachts ........ 260 Charter Boats and Live-Aboards ................................. 261 Before the Trip ............................................................ 261 On Board the Boat ............................................261 Entry ..................................................................262 In the Water ......................................................262 Return ................................................................263 Responsibilities of a Boat Diver ..........................263 Basic Ship Handling .........................................263 Introduction to Rules of the Road ......................264 Simple Collision Avoidance ..............................264 Chain of Command ...........................................265 X NAUI Master Scuba Diver Table of Contents
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