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Normoxic Trimix Course Details

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Course Overview

The Normoxic Trimix course is the first step in mixed gas diving or diving using Helium based gas mixtures. The main focus of this course is physics and physiology of Helium based breathing mixes and Helium based dive planning. The normoxic trimix course covers mixes that must sustain life from surface to maximum depth and therefore not require the need for a travel mix.


Advanced Nitrox certified.
Decompression Procedures certified.
100 logged dives.


After completing the Normoxic Trimix course, the successful candidate can engage in mixed gas diving using normoxic oxygen contents and use multiple Nitrox gas switches (up to pure oxygen) to carry out the decompression schedule.

Combination courses

You can combine the Normoxic Trimix course with:

  1. Decompression Procedures course.
  2. Extended Range course .
  3. Hypoxic Trimix course.

What can I do next?

Once certified as a Normoxic Trimix Diver you can enroll in:
  1. Hypoxic Trimix diver.

Got something to ask us ?

We are Technical diving education professionals and over the years we have been asked almost everything, feel free to look at our most commonly asked technical diving questions or contact us directly.