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CMAS Normoxic Trimix Instructor Course

courses > technical > cmas normoxic trimix instructor

Course Overview

This course provides training required to teach the compentent and safe utilizatiion of breathing gases containing helium for dives that require stage decompression to a maximum depth of 60msw. The objective of this course is to teach instructors to teach the benefits, hazards and proper procedures of utilizing custom oxygen, helium and nitrogen mixtures as breathing gases.Gas mixes are not to have less than 18% of oxygen in the mix.


Minimum age of 21.
CMAS 2 Star instructor certified.
Advanced Nitrox instructor certified.
Proof of 300 logged dives of which 20 are Trimix dives.

Details of the course

The Normoxic Trimix instructor course covers:

  • History of the usage of Helium
  • Physics & Physiology
  • Decompression options
  • Equipment consideration
  • Dive tables & dive computers
  • Dive planning
  • Procedures

Course duration and number of dives

The Normoxic Trimix instructor course is a 4 day course and 6 dives are required.

Course Price

currency converter CTXI

Additional costs

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

Equipment requirement

The Normoxic 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.

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