+64 27 2782250 pete@Lust4Rust.co Auckland, New Zealand

JJ Rebreather

MODULE 4 (Advanced Trimix to 100m)

TDI JJ CCR Course Module 4

The Pinnacle of CCR Exploration Diving – Trimix to 100m


This is the highest level certification course for divers wishing to utilize the unit specific closed circuit rebreather (CCR) for advanced mixed gas diving. The objective of the course is to train divers in the benefits, hazards and proper procedures for advanced mixed gas diving on a CCR and to develop advanced CCR diving skills appropriate to technical diving to a maximum depth of 100 metres / 330 feet (or shallower if mandated by local law).

Qualifications of Graduates

Upon successful completion of this course, graduates may engage in technical diving activities utilizing the unit specific CCR to a maximum depth of 100 metres / 330 feet utilizing any mixed gas diluent appropriate to the dive plan.

Student Prerequisites

Minimum age of 18

Certified TDI CCR Mixed Gas Diluent diver, or equivalent from agencies recognized by TDI

Have a verified log of a minimum of 100 hours as a certified CCR diver over a minimum of 100 dives; a minimum of 50 hours and 50 dives must be on the unit specific CCR. Fifty percent of these dives must be deeper than 30 metres / 100 feet and a minimum of 20 logged CCR dives requiring staged decompression. All dives to be deeper than 9 metres / 20 feet

Course Structure and Duration

Open Water Execution:

Minimum of 420 minutes open water training to be completed over a minimum of 7 dives including 1 equipment configuration and drills practice air diluent dive to a maximum 40 metres/ 130 feet

All subsequent dives to build incrementally in no greater than 10 metres / 33 feet steps

A minimum of 6 dives must be conducted on mixed gas diluent

All mixed gas dives are to be deeper than 40 metres / 130 feet, and two dives should be deeper than 70 metres/230 feet.

Five of the mixed gas dives must be decompression dives. Planned decompression obligation for the first three decompression dives must not exceed 30 minutes and for subsequent decompression dives must not exceed 60 minutes.

At least one dive must have a total run time longer than 60 minutes.

Dates & Costs

Dates are on a request basis so contact us so we can talk about what is going to suit you.

$2300nz (each with two on program) or

$3000.00nz (1 on 1)

TDI JJ CCR Mod 4 Advanced Trimix Cse

$2300.00 NZ / 7 Days
  • INCLUDED: Training sessions, Cert fees & Materials
  • COST: $2300 for 2 in class (or $3000 for individual training)
  • EXCLUDED: Boat fees, Gas & consumables, accom and Gear
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