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TDI Closed Circuit Rebreather Mixed Gas Diluent (MOD3) Instructor Course

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Course Overview

This is the intermediate level certification course for instructors wishing to teach the KISS or Evolution/Inspiration closed circuit rebreather for mixed gas diving. The objective of this course is to train instructor to teach the benefits, hazards, and proper procedures for diving Closed Circuit Rebreathers and to develop intermediat skills appropriat to technical diving to a maximum depth of 60msw using a mixed gas (containing at least 16% of oxygen) as a diluent.


Minumum age of 21.
Proof of 15 certified Closed Circuit Rebreather students .
Closed Circuit Rebreaher - Air Diluent Decompression (MOD2) Instructor certified.

Details of the course

The Closed Circuit Rebreather MOD3 instructor course covers:

  • Physiology
  • Formula work
  • Dive tables & dive computers
  • Dive planning
  • Equipment maintenance
  • Problem solving - Emergency procedures

Course duration and number of dives

The Closed Circuit Rebreather MOD3 instructor course is a 3 day course and 4 dives are required.

Course Price

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Additional costs

Rental equipment if needed. set p/day
Helium fills p/liter
TDI Closed Circuit Rebreather Manual.
TDI Closed Circuit Rebreather Instructor Manual.
TDI Standards & Procedures Instructor Manual
TDI Evaluation forms

Equipment requirement

The Closed Circuit Rebreather Instructor course has no specific equipment requirement more than your standard recreational dive gear. We supply the unit, tanks and mixes, and the oxygen analyser.

Got something to ask us ?

We are Technical diving education professionals and over the years we have been asked almost everything, feel free to look at our most commonly asked technical diving questions or contact us directly.