Standards Cave

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 Required As Required
Max PO2Deco N/A 1.6 PO2 1.6 PO2 1.6 PO2
Gas Limits 02 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 Hours incl. exam & evaluation 10 Hours incl. exam & evaluation 8 Hours incl. exam & evaluation 8 Hours incl. exam & evaluation
# 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
Prerequisites (2) CSU + AOW or equivalent CVN + TSD
or equivalent
CAV + ERD
+ 100 dives
+ 10 deeper
then 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 & # of dives listed are considered minimums.