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

JJ Rebreather

MODULE 3 (Intermediate Trimix to 65m)

TDI JJ CCR Course Module 3

Advancing your Skills to Intermediate Trimix to 65m


This is the intermediate level certification course for divers wishing to utilize a closed circuit rebreather (CCR) for mixed gas diving. The objective of the course is to train divers in the benefits, hazards and proper procedures for mixed gas diving on the unit specific CCR, utilizing a mixed gas diluent containing 16 percent or greater oxygen, and to develop intermediate CCR diving skills appropriate to technical diving to a maximum depth of 60 metres / 200 feet.

Student Prerequisites

Minimum age 18

Provide a verified log of a minimum of 50 rebreather hours distributed over a minimum of 50 dives on the specific rebreather. Valid logged dives must be deeper than 9 metres / 20 feet, at least 20 must be deeper than30 metres / 100 feet, and at least 10 dives requiring staged decompression.
If the diver has 50 hours on another CCR unit recognized by TDI, only 25 hours/25 dives are required to be on the specific unit. If completing a unit crossover, provide proof of at least 10 logged CCR dives in the last 12 months.

Certified as a TDI Air Diluent Decompression Procedures Rebreather/ TDI CCR Helitrox Diluent Decompression Procedures Diver course or equivalent from agencies recognized by TDI

Course Structure and Duration

Open Water Execution

Open water drills practice air diluent dive and 50m fully-equipped CCR diver surface tow must be completed prior to conducting mixed gas diluent training dives

Minimum of 360 minutes open water training to be completed over a minimum of 6 dives including 1 equipment configuration and drills practice air diluent dive to a maximum 40 metres / 130 feet and a minimum 60 minute duration.

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

A minimum of 5 dives must be conducted on mixed gas diluent.

All mixed gas dives are to be deeper than 40 metres / 130 feet, utilizing a mixed gas diluent containing 16 percent or greater oxygen, to a maximum depth of 60 metres/200 feet

A minimum of four dives must be decompression dives. At least two dives should be deeper than 50 metres/165 feet and at least one dive must have a total run time greater than 60 minutes. Decompression obligation for the first two decompression dives must not exceed 30 minutes, and for the third and subsequent decompression dives, must not exceed 60 minutes.

Dates & Costs

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

$1800nz (each with two on program) or

$2600.00nz (1 on 1)

TDI JJ CCR Mod 3 Intermediate Trimix Cse

$1800.00 NZ / 7 Days
  • INCLUDED: Training sessions, Cert fees & Materials
  • COST: $1800 for 2 in class (or $2600 for individual training)
  • EXCLUDED: Boat fees, Gas & consumables, accom and Gear
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