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Scuba Schools International Advanced

JJ-CCR XR Extended Range Trimix

Trimix CCR decompression diving, to 45 metres.

7–10 days Duration
45m Max Depth

About This Course

Builds on your CCR Diving certification by adding depth, decompression, and complexity. You'll introduce trimix as a diluent to manage gas density and narcosis at depth, plan and execute decompression dives on the JJ-CCR to 45 metres, and develop the skills to handle rebreather failures during a decompression obligation.

What You'll Learn

01

Trimix diluent selection and management for depth and narcosis control

02

Decompression dive planning on a CCR platform

03

Manual setpoint management and bailout gas planning

04

Rebreather malfunction management during a decompression obligation

05

Emergency ascent procedures with open-circuit bailout

Prerequisites

  • SSI Deep Diving certification (or equivalent)
  • SSI CCR Diving certification on the JJ unit
  • SSI Extended Range Nitrox certification (or equivalent)
  • Current medical clearance for rebreather diving

What's Included

8 academic sessions
1 confined water session
6 open water training dives to max 45m
All gases including sorb and trimix diluent
JJ-CCR unit support
Digital training materials
SSI JJ-CCR Extended Range Trimix certification