This course is designed for cave divers who want to learn to use gas blends efficiently for shorter decompression and discover the ideal mixtures for their dives. Often more than four tanks are required and pure oxygen decompression is allowed.

18 Years old
IANTD Intro to Cave Diver or equivalent
IANTD Advanced EANx Diver or equivalent
50 Logged Dives

Theory
Land Drills
Confined and Open Water Training
Cave dives are performed under different conditions such as zero visibility
Final Exam

Minimum 8 days
– Cavern to Tec Cave – 12 days
– Intro to Tec Cave – 8 days
8 Hours theory
12 Cave dives
– Cavern to Tec Cave – 20 dives
– Intro to Tec Cave – 16 dives
1 Training dive

48m/160ft. Max depth
Rule of Thirds with two tanks
3 Students per instructor
PPO2 of 1.4 ATA at depth and 1.6 for decompression
IANTD Oxygen CNS% Clock and OTU’s

Twin tanks with manifold and isolator valve
3+ Independent regulators with first and second stages
1 With long hose (2m/7ft.) and LPI
1 With short hose (~55cm/22 in.) and SPG
1 Regulator per stage tank with meter hose and SPG
1+ Nitrox Stage Tanks with at least 1,400 free litres / 50 cf.
2 Wing units, or 1 wing and 1 drysuit
Wetsuit
Mask and fins
2 Line cutters
1 Primary reel with a minimum of 120m of line
1 Safety reel with a minimum of 30m of line
2-3 gap reels with a minimum of 15m of line
1 Primary light
2 Backup lights
Dive computer, or stopwatch and depth gauge
Writing board, or wet notes
Waterproof diving table, or second dive computer
3 Directional arrows
6 Non-directional markers (cookies)