SSI CCR Hypoxic Trimix 100 – The Pinnacle of CCR Technical Diving

Safely Reach Extreme Depths with CCR Trimix

The SSI CCR Hypoxic Trimix course represents the ultimate certification level in closed-circuit rebreather (CCR) diving. Designed specifically for elite-level technical divers, this advanced training qualifies you to safely dive to extreme depths of up to 100 metres, using hypoxic trimix gas blends on a CCR.

Under the expert guidance of SSI XR CCR instructors, you’ll master highly advanced dive planning, precise decompression management, and rigorous emergency protocols. The course thoroughly prepares you to conduct CCR dives at hypoxic levels, using helium-rich gas mixtures to reduce narcosis, gas density, and oxygen toxicity risks encountered at extreme depths.

Why Take the SSI CCR Hypoxic Trimix 100 Course?

Completing the SSI CCR Hypoxic Trimix certification enables you to:

• Safely explore depths of up to 100 metres using CCR hypoxic trimix.

• Effectively manage complex decompression profiles and hypoxic gas blends.

• Minimise the risks of narcosis, oxygen toxicity, and gas density at extreme depths.

• Perfect advanced CCR skills and equipment handling for ultimate dive safety.

This prestigious course positions you among the most qualified CCR technical divers worldwide, opening the door to extraordinary diving expeditions.

Course Structure & Key Learning Outcomes

Advanced Knowledge Development

You will cover comprehensive and advanced topics such as:

• Detailed hypoxic trimix gas management for CCR dives

• Advanced decompression theory and contingency planning for extreme depths

• Oxygen exposure calculations and gas-density management

• Critical problem-solving skills and emergency management at depth

CCR Hypoxic Trimix Practical Skills & Dive Training

• Confined Water Training (1 Dive): Refine advanced CCR skills, buoyancy, emergency drills, gas-switching, and bailout procedures.

• Open Water Training (6 Dives): Perform progressive dives to 100 metres, mastering trimix gas switching, precise decompression management, and realistic scenario-based emergency drills.

CCR Hypoxic Trimix 100 Course Requirements & Prerequisites

• Minimum Age: 18 years

• Certification Level: SSI CCR Technical Extended Range 60 (or equivalent)

• Minimum Logged Dives: 100 dives recommended

• Medical Clearance: Valid diving medical certificate

Duration & Training Schedule

• Total Dives: 1 confined dive + 6 open water dives

• Course Duration: Typically completed over 6-7 days

• Flexible scheduling available

What’s Included in Your Course?

• Instruction from certified SSI XR CCR instructors

• SSI CCR Hypoxic Trimix certification upon successful completion

• Use of specialised CCR equipment, bailout cylinders, and trimix blends

• All necessary hypoxic trimix and decompression gases during training

Not Included in CCR Hypoxic Trimix 100

• SSI CCR Hypoxic Trimix digital learning materials (purchased separately)

• Personal dive gear (mask, fins, exposure suit—available to rent)

• CCR unit hire fee (if applicable)

Take Your Technical Diving to the Extreme

The SSI CCR Hypoxic Trimix course offers advanced CCR divers the highest level of training, certifying them to explore the most challenging underwater environments safely and confidently.

Contact Us to Book your SSI CCR course today!