TDI Advanced Trimix Diver
This course turns experienced technical divers into extreme divers.

The TDI Advanced Trimix Diver Course is the top level of training for open circuit divers wishing to dive to depths as deep as 100 meters/330 feet utilizing hypoxic levels of oxygen (below 17 percent). This course is perhaps one of the most informative and challenging of all of the TDI open circuit courses. Upon completion, you will be among some of the most elite divers, capable of doing and seeing more while diving than any other divers out there.
For full course information please visit TDI website:
Maximum 2 participants
4 Open Water Dives
Max. Depth: 100 m
Theory exam: Yes
COURSE DETAILS
Who this course is for:
- The certified Advanced Nitrox and Decompression Procedures diver looking to:
- Extend their depth range
- Reduce narcosis for all deep dives
- Advance their technical diving education
Course prerequisites:
- Minimum age 18
- Minimum certification of TDI Advanced Nitrox AND Decompression Procedures Diver, or equivalent
- Proof of 100 logged dives
What’s in it for you?
- Ability to conduct technical diving activities using custom trimix mixtures without direct supervision provided:
- The diving activities approximate those of training
- The areas of activities approximate those of training
- Environmental conditions approximate those of training
- Ability to enroll in TDI Advanced Wreck and TDI Advanced Trimix courses
TDI Trimix Diver minimum certification requirements:
- Satisfactorily complete the TDI Trimix Diver course written examination
- Complete all open water requirements safely and efficiently
- Demonstrate mature, sound judgment concerning dive planning and execution