Air Diluent Decompression Procedures CCR

Are you an open circuit technical diver looking to looking to cross over to the silent world of rebreathers? Or are you already a CCR diver wanting to take you rebreather diving to the next level? Well the Air Diluent Decompression course is the next step! Using the latest technology in CCR's can maximise your gas supply and provide you with the optimum breathing gas for any depth by maintaining a constant partial pressure of oxygen. Like having a nitrox blending machine on your back! CCR is the ultimate tool for technical divers.

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What you will learn during the course-

  • History and evolution of rebreathers
  • Comparison of Open Circuit, Closed Circuit (CCR) and Semi Closed(SCR) Systems noting the pros and cons of both
  • Practical mechanics of the system
  • Gas physiology
  • Proper scrubber packing in accordance with the manufacturers recommendation
  • Dive planning
  • Dive Computers
  • Emergency procedures
  • Pre-dive checklists
  • Unit build up and breakdown
  • Bubble checks
  • Loop volume management
  • Manual gas injection
  • Lift/DSMB deployment
  • Bail out

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Course prequisites-

  • Minimum age 18
  • Provide proof of 50 logged dives
  • Provide proof of Advanced Nitrox and Decompression Procedures or equivalent


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

The course takes 5 days and costs £800 this includes

  • Any equipment required including use of CCR unit for the duration of the course
  • Certification
  • Gases
  • Entrance to Wraysbury Dive Centre

To join the silent world call us today on 01784 488007