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IANTD Normoxic Trimix Closed Circuit Rebreather Diver

IANTD tech diving

normoxic trimix rebreatherThis Program is designed to train divers who wish to dive between 90 fsw (27 msw) and 200 fsw (60 msw). But do not wish to breathe air diluent below 90 feet (27) msw on CCR. In the safe use of the CCR for dives using normoxic helium -based gas mixtures for diluent, and for stages. This program qualifies divers to perform Trimix Dives outside of training up to 200 fsw (60 msw).

What do I need to start?

  • Closed Circuit Rebreather (CCR) Diver, with at least 20 dives and 25 hours on approved CCR used.
  • Minimum of 100 logged dives, of which at least 30 were deeper than 27m
  • Minimum of 18 years old.

What will I do?

Theory on specific Rebreather used, 2 hours confined water experience, and at least 4 open water dives using Trimix. 3 dives to be deeper than 27m with none deeper than 60m.

What will I need?

IANTD CCR Normoxic Trimix Student Workbook and Manual. Approved CCR Owners Manual.

Student to Instructor Ratio:


Rebreather Models Available:

AP Valves Inspiration Rebreather, KISS Rebreather, MK15 Series Rebreather, Halcyon Rebreather, UT180 Rebreather, UT240 Rebreather, UT90 Rebreather.