Take your CCR diving to the next level with the TDI JJ-CCR Air Diluent Decompression Procedures course. This program builds on the foundational skills of recreational CCR diving and introduces planned decompression diving, allowing you to extend your bottom times safely while using air as a diluent.
Training on the JJ-CCR, one of the most robust and versatile rebreathers available, you’ll develop the skills needed to plan and execute decompression dives up to 40 meters (130 feet) with a maximum of 10 minutes of decompression.
This course covers:
✅ Advanced CCR dive planning – incorporating decompression obligations and ascent strategies
✅ Managing oxygen setpoints – optimizing gas use for efficiency and safety
✅ Decompression theory – understanding gas loading, off-gassing, and gradient factors
✅ Gas management and bailout procedures – ensuring sufficient gas for emergencies
✅ Loop volume and buoyancy control – fine-tuning skills for staged ascents
✅ Executing safe decompression dives – planning and conducting dives with up to 10 minutes of required deco
✅ Emergency drills and problem-solving – handling CO₂ issues, system failures, and gas switching
Provide proof of at least 5 logged staged decompression dives to a minimum depth of 30 meters (100 feet)
Minimum 50 logged dives
Dives Included:
Minimum of 7 training dives, focusing on decompression diving, bailout procedures, and CCR ascent control
Certification Limitations:
Limited to air as a diluent
Maximum of 10 minutes of planned decompression
Extend your bottom time with controlled decompression diving
Master CCR gas management and bailout planning for longer, safer dives
Train on one of the most capable CCR units for technical diving progression
Build the skills needed to advance to deeper Trimix CCR diving
Upon successful completion, you’ll earn the TDI Air Diluent Decompression Procedures CCR Diver certification, qualifying you to conduct decompression CCR dives to 40m with a maximum of 10 minutes of planned deco.
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