Loading Events
This event has passed.

The TDI Advanced Trimix Instructor course provides the training required to competently and safely teach breathing gases containing helium for dives that require staged decompression to a maximum depth of 100 meters. 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.

To enroll you must be a minimum age of 21, be certified as a TDI Advanced Trimix Diver or equivalent, be certified as a TDI Extended Range Instructor or TDI Trimix Instructor or equivalent, provide proof of 250 logged dives, of which 30 must be Trimix dives, provide proof of 20 dives deeper than 55 meters, and meet one of the following experience requirements:

1.Certify at least 10 extended range divers or Trimix divers to depths of at least 45 metres / 150 feet
2.Assist with at least 2 complete TDI Advanced Trimix classes taught by an active TDI Advanced Trimix Instructor and provide a letter of recommendation from the assisted instructor(s)

The course fee does not include TDI registration fees, these are available from us on request, or from your local TDI office. The course fee does not include helium or oxygen for yourself or the instructor. Each student pays for their own personal gas use, and a share of the instructors. Gas is charged per liter, please ask us for the latest costs.


The numbers below include tickets for this event already in your cart. Clicking "Get Tickets" will allow you to edit any existing attendee information as well as change ticket quantities.
TDI Advanced Trimix Instructor
4 available

Go to Top