| Re: Rebreather Training Progression? Quote: (Originally Posted by JPJones)  IANTD has: - CCR Diver
- Normoxic CCR and
- CCR Trimix.
TDI Has: - Air Diluent
- Mixed gas and
- Advanced mixed gas.
Sorry, I re-arranged your reply a bit here to ask my questions... - Is TDI mixed gas (2nd course) involves normoxic diluent ?
- If so, then I think both systems are relatively the same. Yes ?
- If all above is correct, then I think we could summarize:
- mod-1: CCR Diver = Air diluent
- mod-2: Normoxic CCR = Mixed gas
- mod-3: CCR Trimix = Advanced mixed gas
Looks OK ?
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