Cavern & Cave Diver Training Programs Standards CVN L2 CAV L3 CVX L4 CVX L5 Max. Course Depth 30 m 40 m 40 m 58 m Min. Course Depth 10 m 18 m 30 m 30 m Max Deco N/A 30 min as req'd as req'd Max PO2 Deco N/A 1.6 pO2 1.6 pO2 1.6 pO2 Gas Limits - Oxygen 1.45 pO2 1.45 pO2 1.45 pO2 1.45 pO2 Gas Limits - N2 3.6 pN2 3.6 pN2 3.6 pN2 3.6 pN2 Theory Time 6-8 Hrs incl exams & evaluation 10 Hrs incl exams & evaluation 8 Hrs incl exams & evaluation 8 Hrs incl exams & evaluation Min. # of OW Dives 4 1 8 6 4 Min. Bottom Time 140 min 240 min 180 min 150 min Min. Run Time 160 min 320 min 360 min 240 min Prerequisites2 CSU + AOW or equivalent CVN + TSD or equivalent CAV + ERD + 100 dives + 10 deeper than 30 m CAV + TMD + +200 dives + 50 deco dives + 25 Cave Dives 1 - Four dives in two different caverns 2 - other prerequisites may apply as per the Instructor all bottom times and # of dives listed are considered minimums
