TDI Advanced Trimix Diver

The TDI Advanced Trimix course provides the training required to competently and safely utilize breathing gases containing helium for dives that require staged decompression, utilizing nitrox and / or oxygen (O2) mixtures during decompression to a maximum depth of 100 metres. The objective of this course is to train divers in the benefits, hazards and proper procedures of utilizing custom oxygen / helium / nitrogen mixtures as breathing gases.


Minimum age 18
Minimum certification TDI Extended Range Diver or Entry Level Trimix Diver, or equivalent
Provide proof of a minimum 100 logged dives with 25 deeper than 30 metres / 100 feet
Provide proof of prior logged experience w/ double cylinders and any other unfamiliar equipment such as dry suit


Day #1- 9:00am to 5:00pm (Theory, Gear Config & Dive 1)
Day #2- 9:00am to 5:00pm (Dives 2)
Day #3- 9:00am to 5:00pm (Dives 3, Exam)
Day #4- 9:00am to 2:00pm (Dive 4)

Price:  AUD $1895.00

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Upon successful completion of this course graduates are qualified to enroll in:

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