ProTec Sardinia ASD
Via Collodi 9
08020 Cala Gonone (NU) Sardegna, Italy

+39 3351680168


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Multiple Stage Cave Diver

This course is for certified cave divers. Extra tanks, known as stages, are used to explore deeper into systems. In this course you will learn the proper preparation and diving techniques to perform more complex cave dives.

Student Pre-requisites

18 Years old
IANTD Cave Diver or equivalent
50 Logged dives

Course Layout:

Exercises on land
Confined and Open Water Training
Cave dives with stages are performed under different conditions such as zero visibility
Final Exam


Minimum 3 days
8 Hours theory
4 Cave dives
1 Training dive in shallow water


Depth allowed by student’s certification
PPO2 of 1.4 ATA at depth
PPO2 of 1.6 for decompression
IANTD Oxygen CNS% Clock and OTU’s
2 Students per instructor

Necessary Equipment:

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 Per stage tank with meter hose and SPG
1+ Stage Tanks with at least 1,400 free litres / 50 cf. and independent regulators
Buoyancy compensator (Wing & Back Plate)
Mask and fins
Line cutter
1 Primary reel with 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)