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(Cavern & Cave Diver Training Programs)

Standards
CVN   L2
CAV   L3
CVX   L4
CVX   L5
 Max. Course Depth
30  m
50  m
50  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
4.0 PN2
4.0 PN2
4.0 PN2
4.5 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

- 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