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TDI CCR Helitrox Diluent Decompression (45m)

TDI CCR Helitrox Diluent Decompression Procedures (45m)

This is the second level certification course for divers wishing to utilize a Closed Circuit Rebreather (CCR) for mixed gas diving using a Helitrox Diluent. The objective of the course is to train divers in the benefits, hazards and proper procedures for diving a CCR and to develop basic CCR diving skills, to a maximum of 45 metres, using an air/nitrox/helium diluent for formal decompression diving. Students are permitted to utilize a diluent and bailout mix with no greater than a 20% helium content and no less than a 21% oxygen content, and are permitted to use up to 100% oxygen for decompression

How do I begin?

You start with the training materials, if you did not get them with a previous course, ie TDI CCR online code/TDI Diving Rebreathers manual. You also need to have a copy of the manufacturer's manual for the specific unit.

What's in the course?

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

  • History and evolution of rebreathers
  • Comparison of open circuit, closed circuit and semi closed circuit rebreather systems and the benefits/problems with each
  • Practical mechanics of the system
  • Gas physiology
  • Electronic and manual systems design and maintenance
  • Dive tables
  • Dive computers
  • Dive planning
  • Emergency procedures
  • Helium considerations

How long does it take?

The TDI CCR Helitrox Diluent Decompression Procedures course takes 5 days and includes 420 minutes of Open Water CCR diving over a minimum of 7 dives and 1 confined water dive.

What qualifications do I need?

The TDI Advanced Nitrox Diver, Deco Procedures Diver or Helitrox diver or equivalent from agencies recognized by TDI, is a pre-requisite for this course. You are also required to have 50 logged dives and if the rebreather is a TDI approved sidemount rebreather, the student must hold the TDI Sidemount Diver Certification or equivalent and provide proof of 10 logged sidemount dives. Contact us for more details.

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What's next?

Obivously TDI CCR Mixed Gas when you have built up your hours on the unit.

Cost?

TDI CCR Helitrox Diluent Decompression Procedures course is 7 dives and costs €850.00 including gases, cylinders and boat. (manual/online code, certification and unit hire is not included).