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Into the Darkness An Introduction to Night Diving
Night Diving Equipment
Human Factors and the Night Diver
activity alcohol alkaline batteries anchor line avoid backup light basic basket stars beam bioluminescent boat crew bottom buddy bulb buoyancy clip colors Corals flower currents D-ring darkness daylight daytime dive depth descent disorientation and vertigo dive light dive plan Divers Alert Network effects emer emergency ascent entanglement hazards entries and exits equipment especially exit locations factors fatigue FIGURE filament fish fluorescent forecasts gear gency heat loss hydrogen illumination important jellyfish lamp lift bags line reel ln addition lndoPacific lt's marine ment mental alertness navigation lights nicad night dive night diving emergency O-rings occur open water plankton potential problems procedures psychological stress punctures R.N. Rossier rechargeable reduced reflector reliable safe safety sea cucumber shark signal situation specialty lights spine stings strobe surf surface float switch temperature thunderstorms Tiger shark Training magazine tungsten underwater vertigo visual references warm waves weather winds zooplankton