Learn Technical Extended Range Trimix Diving with SSI
The SSI Technical Extended Range Trimix diving program builds upon skills and techniques learned as an SSI Extended Range Trimix Diver. During this Extended Range diving program, you will go beyond the no-decompression limit by increasing your dive depth and duration. Using either a sidemount or twinset configuration, the Technical Extended Range Trimix gas diving program provides avid underwater explorers with the training necessary to independently plan and conduct mixed gas unlimited decompression dives to a maximum depth of up to 60 meters.
Earn the SSI Technical Extended Range Trimix certification. Start this exciting mixed gas diving program today!
Facts and Training Standards
Amount of Academic Sessions
2
Amount of Pool/Confined Water Sessions
1
Amount of Open Water Sessions
6
Maximum Training Depth
60 m / 195 ft
Suggested duration (h)
18
Certification Prerequisites
Minimum 70 logged dives, 20 logged dives deeper than 30 meters
Pushing Boundaries
Here are the benefits you can expect from attending this training program:
Explore the range only experienced divers can, and see the ocean from a different, deeper, perspective
Multiple decompression gases give you flexibility and redundancy
Refine your team work and problem-solving skills


