Closed-Circuit Rebreather (CCR) Decompression Procedure Diver on the Hollis Prism2

Closed-Circuit Rebreather (CCR) Decompression Procedure Diver on the Hollis Prism2
From AUD $1,999.00
  • Duration: 5 Days (approx.)
  • Location: South Townsville, QLD
  • Product code: PME5S2

Using the latest technology in CCR’s can maximize your gas supply and provide an optimum breathing gas for any depth by maintaining a constant partial pressure of oxygen. Like having a blending station on your back, a CCR is the ultimate tool for technical divers.

During this course, your Instructor will teach you all of the necessary skills to conduct decompression CCR dives to a maximum depth of 45 metres/150 feet using air diluent.

Who is this course for:

The open circuit technical diver, or entry level CCR diver, looking to utilize CCR technology to extend their depth limits and bottom times.


  • Minimum age 18
  • Provide proof of 50 logged dives
  • Provide proof of Advanced Nitrox Diver and Deco Procedures Diver or equivalent
  • If the rebreather is a approved sidemount rebreather, the student must hold the Sidemount Diver certification or equivalent and provide proof of 10 logged sidemount dives

  • Minimum age 18
  • Air Diluent CCR Diver certified or equivalent
  • 30 hours on the CCR unit
  • Six months CCR diving experience

What you can expect to learn:

The CCR Air Diluent Decompression Diver course takes an in-depth look at all of the following and more:

  • History and evolution of rebreathers
  • Comparison of Open Circuit (OC), closed circuit, and Semi-closed Circuit Rebreather (SCR) systems noting the pros and cons of each
  • Practical mechanics of the system
  • Gas physiology
  • Proper scrubber packing: in accordance with manufacturers recommendation
  • Electronic or manual systems design and maintenance
  • Dive tables
  • Dive computers
  • Dive planning
  • Emergency procedures
  • Dive checklists
  • Predive checks


Day #1 - Introduction, Theory, Equipment assembly & critique, Confined Water Session
Day #2 - Dive 1, Dive 2
Day #3 - Dive 3, Dive 4
Day #4 - Dive 5, Dive 6
Day #5 - Dive 7, Theory Exam