SSI CCR Hypoxic Trimix

Course Overview & Training Objectives

SSI CCR Hypoxic Trimix represents the pinnacle of CCR training, preparing divers for deep exploration dives up to 100 meters. The course covers hypoxic gas management, counter-diffusion risks (isobaric counter-diffusion), extreme gas density mitigation, and run-time optimization. Divers learn to manage multiple offboard gas connections and extensive multi-hour decompression schedules.

Operational Envelope

• Max Depth: 100m (330ft)
• Decompression: Unlimited accelerated deco
• Breathing Gases: Hypoxic Trimix diluent (<16% O2), 100% O2, 3-4 stage bailout cylinders
• Equipment Rig: Unit-specific CCR + 3+ Bailout cylinders

Course Structure & Training Requirements

• Course Duration: 6 Days
• Required Training Dives: 6 in-water dives
• Classroom & Theory: 18 hours instruction

Entry Gates & Prerequisites

CCR Technical Extended Range on unit + 100 logged dives (min 100 hours on unit)