286 NAUI Master Scuba Diver INDEX R Radiant energy ..................................................................97 Radiation, heat loss and .................................................100 Random Access Memory (RAM), dive computers and ........21 Range, navigation and ...................................................200 Range lights, night diving and ......................................211 Rankine temperature scale ..............................................75 Rapid ascent rate, deep diving and ...............................242 Rattlesnakes ......................................................................60 Read-Only Memory (ROM), dive computers and ..........21 Reboarding boat, boat diving and .................................263 Rebreathers .........................................................4, 113, 253 Recall systems, boat diving and .....................................262 Rechargeable battery dive lights, night diving and ..........212 Reciprocal course, compass navigation and ................200 Recompression ............................................... 119, 160, 163 Red algae ...........................................................................50 Red tide ........................................................................51, 52 Red-beard sponge .............................................................54 Redundancy of equipment, technical diving and ........253 Redundant system emergency ascent ...................180, 181 Reef knot..........................................................................270 Reflection, light and ...................................................97, 98 Refraction light and .................................................................97, 98 wave ..............................................................................36 Refresher training, diving and .......................................184 Regulations..................................see Laws and regulations Regulators ...................................................................10-15 attachments for............................................................14 care and maintenance of ......................................14, 15 concerns regarding .....................................................15 deep diving and .................................................231, 236 integrated .............................................................11, 183 pilot valve ...............................................................13, 14 single-hose ...................................................................11 two-hose.......................................................................11 types of .........................................................................11 Repetitive diving .....................................................155, 158 Reptiles ..............................................................................59 Rescue, diver ...................................................................184 Residual nitrogen time (RNT) .......................................155 Respiration artificial, in-water .............................................186, 187 breathing resistance and...........................................112 carbon dioxide excess and ........................................117 carbon monoxide toxicity and ..................................114 and circulation ......................................... 106, 109, 111 hyperventilation and shallow water blackout and ...........................................................113 immersion effects on .................................................111 near drowning and ...................................................116 nitrogen narcosis and ...............................................117 overexertion and ........................................................114 oxygen toxicity and ...........................................115-116 Respiratory anatomy ......................................................107 Restricted maneuverability, collision avoidance and ............................................265 Resuscitation, diver rescue and .....................................187 Reverse block...........................................................121, 125 Reverse ear squeeze ........................................................125 Rewarming of chilling victim ................................130, 131 RIBs .............................................see Rigid inflatable boats Rigging, light salvage and .....................................224, 225 Right of way, boating and ......................................264-266 Rigid inflatable boats (RIBs) .........................................259 Rip current ..................................................................43, 44 River currents ....................................................................45 RNPL tables ........................... see Royal Navy Physiological Laboratory tables RNT ......................................... see Residual Nitrogen Time Rocks, turning over, conservation and ...........................63 Rolling hitch ...................................................................270 ROM ............................................... see Read-Only Memory Round turn and two half hitches...........................225, 270 ROY G. BIV mnemonic .....................................................97 Royal Navy Physiological Laboratory (RNPL) tables ............................................................156 Rudder force, basic ship handling and .........................264 Rules of the road for boating .................................264, 266 Runabouts, boat diving and ...........................................260 Running jackstay search pattern ...................................224
20047TC
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