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CMAS Advanced Trimix Instructor Course

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Course Overview

This course provides training required to compentently and safely teach utilization of breathing gases containing helium for dives that require stage decompression to a maximum depth of 100msw. The objective of this course is to train instructors to teach the benefits, hazards and proper procedures of utilizing custom oxygen, helium and nitrogen mixtures as breathing gases.


Minimum age of 21.
CMAS 2 Star instructor.
Normoxic Trimix Instructor certified.
Proof of 400 logged trimix dives of which 50 are Trimix dives.

Details of the course

The Advanced Trimix instructor course covers:

  • Physics
  • Physiology
  • Decompression options
  • Equipment consideration
  • Dive tables & dive computers
  • Dive planning
  • Procedures

Course duration and number of dives

The Advanced Trimix instructor course is a 4 day course and 4 dives are required.

Course Price

currency converter CATXI

Additional costs

Technical Rental equipment if needed. set p/day
Helium fills p/liter
Upgrade fees

Equipment requirement

The Advanced Trimix instructor course uses technical gear configuration. All students must own or purchase a spool, SMB and wrist slate. We supply the double tanks, decompression tanks and nitrox/oxygen mixes, the decompression regulators and the oxygen and helium analyser.

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.