The diver now wears the full standardized tech rig, plus one deco cylinder. The diver is qualified to complete accelerated decompression dives using any mix of EANx or oxygen.

• Depth is limited to 45m
• Prerequisites: 18 years or older, Tec 40 or equivalent, Rescue Diver certification, minimum of 50 logged dives, of which at least 12 dives were made with nitrox deeper than 60 feet, and at least 6 dives must be deeper than 100 feet