Technical Diver Ratings

Technical SafeAir Diver

May use all Nitrox and Oxygen mixtures to 50 m (165 fsw) during decompression profiles limited to a max of 30 minutes deco-time and 9 m (30 fsw) max stop depth, using 3 cylinders and 3 gases. No hard overhead / penetration permitted.

Technical Wreck Diver L3

May use all Nitrox and Oxygen mixtures to 50 m (165 fsw) performing decompression profiles limited to a max of 30 minutes deco-time and 9 m (30 fsw) max stop depth, using 3 cylinders and 3 gases within a shipwreck environment. Wreck penetration permitted.

Solo Diver L3

May dive independently (a team of one), use all Nitrox and Oxygen mixtures to 50 m (165 fsw) during decompression profiles limited to 30 minutes max decotime and 9 m (30 fsw) max stop depth, using 3 cylinders and 3 gases. No hard overhead / penetration permitted.

Cave Diver - Level 3

May use all Nitrox and Oxygen mixtures to 50 m (165 fsw) during decompression profiles limited to a max of 30 minutes deco-time and 9 m (30 fsw) max stop depth using 3 cylinders and 3 gases within a cave environment.

Technical Divemaster

May supervise or guide divers using SafeAir and Oxygen mixtures to 50 m (165 fsw) during decompression profiles limited to a max of 30 minutes deco-time and 9 m (30 fsw) max stop depth, using 3 cylinders and 3 gases. No hard overhead / penetration permitted.

Technical Rebreather Diver

May use all Nitrox and Oxygen mixtures to 50 m (165 fsw) during decompression profiles limited to a max of 30 minutes deco-time and 9 m (30 fsw) max stop depth, using the rebreather system specified. No hard overhead / penetration permitted. RBS is required.

Technical Tri-Mix Diver L3

May use all SafeAir, Helium and Oxygen mixes to 50 m (165 fsw) during decompression profiles limited to a max of 45 minutes deco-time, using 3 cyls and 2 gases at a max of 3.2 PN2 and 1.45 PO2. No hard overhead / penetration permitted.