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CMAS Closed Circuit Rebreather Mixed Gas Diluent (MOD3) Course

courses > rebreather > cmas closed circuit rebreather mixed gas diluent (mod3)

Course Overview

This is the intermediate level certification course for divers wishing to utilize the KISS or Evolution/Inspiration closed circuit rebreather for mixed gas diving. The objective of this course is to train divers in 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 18.
Proof of 50 rebreather hours logged over 50 dives on the specific unit. All dives deeper than 9msw and 25 dives must be deeper than 20msw. If the diver has 50 hours on an other recognised unit, only 25 hours are required on the specific unit.
Closed Circuit Rebreather Air Diluent certified.

Details of the course

The Closed Circuit Rebreather MOD3 diver 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 diver course is a 4 day course and 6 dives are required.

Course Price

currency converter CCCR3

Additional costs

Rental equipment if needed. set p/day

Equipment requirement

The Closed Circuit Rebreather Diver 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 ?

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