Specialty Course information    Cavern Diver  Minimum Age  18 years old  Usual Duration  24 hours  Minimum Course prerequisite  Padi Advanced Open Water Diver or qualifying certification  Number of Dives  4 dives on 2 days  Course Fee  Send us email for availability and rates  Course Description  The planning, organization, procedures, techniques, problems and hazards of cavern diving. Special equipment consideration like lighting guidelines, lines and reels and redundant breathing systems. Proper procedures for buoyancy control, body positioning and air-consumption management. Information that describes the specific hazards of cavern diving should include, but not limited to: silting, line entanglement and breakage, disorientation from permanent lines and emergency situations unique to cavern diving.