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IANTD NORMOXIC TRIMIX DIVER Extend your capabilities with multiple deco gases and depths to 70m!

IANTD Normoxic Trimix Diver and Normoxic Trimix Plus with Tech Asia

The IANTD Normoxic Trimix course is available to those who require a safer means for deep water exploration, as deep as 60m/200ft, and do not wish to make air dives below recreational limits. There is a strong emphasis on safety and skill development, since at these depths, any small problems that may occur need to be solved correctly, and much faster than you will find at 40m/130ft or shallower. Experience, familiarity with procedures and equipment, and comfort, are the key to having fun and diving safely. The course certifies divers to use normoxic trimixes (the gas can safely be breathed at the surface). Two decompression gases are normally carried at this level of diving.

This training is an alternative to IANTD Technical Diver, which is a similar level of diving but is air based. You don't have to do both courses, just one or the other. It is prerequisite to the IANTD (hypoxic) Trimix course.  

What will IANTD Normoxic Trimix certification allow you to do?

So now you can be certified to 60m/200ft, or up to 70m/233ft with the Normoxic Plus option. What can you expect now?

Thinking outside of just our local diving, consider for instance wreck dives. Ships rarely sink in shallow water, and if they do they tend to break up quickly or be salvaged. For the Normoxic Trimix Diver an example of a "must see" is the WWII British aircraft carrier HMS Hermes, sunk off Eastern Sri Lanka at just over 50m. Our trips there have provided some the finest dives we've ever made. 

Back in Puertio Galera where your training will take place, we have an outer reef that appears to be an old submerged shoreline, packed with beautiful spots between 45-65m, such as Secret Reef, Markus Cave or the spectacular Blackfish Pinnacle on Verde Island. At this level, your possibilities are endless!

Prerequisites

  • Must be at least 18 years of age. 
  • Must be at least an IANTD Advanced Nitrox Diver or equivalent. 
  • Proof of 100 logged dives of which 30 were deeper than 27m/90ft.

Program Content and Limits

  • Confined waterwork will be completed dealing with equipment set-up, handling and dive technique, plus emergency skills and stress management exercises.
  • Four decompression dives, three of which are below 40m/132ft, and one between 54m/180ft and 60m/200ft
  • At least 300 minutes of open water run time.
  • Maximum allowed END is 39m/130ft. and all bottom gases will be non-hypoxic, having not less than 18% oxygen.
  • For Normoxic Plus, two extra dives at least one of which will be between 63m/210ft and 70m/233ft.

What You Will Learn

During the IANTD Normoxic Trimix Diver course you will expand on what you learned during Advanced Nitrox or Advanced Rec Trimix training. Dive planning becomes more involved due to depth and loss of gas scenarios that need to be considered, and to deal with higher exposures . Further fine tuning of equipment may be required to make sure it is really helping you in the water. During the classwork, land drills and in water you will learn about : 

  • Equipment configuration and dive technique.
  • Advanced Dive Planning and Gas Matching.
  • Risk analysis.
  • Respiratory physiology.
  • Understanding Helium, Oxygen, Narcosis, CO2 effects etc.
  • Decompression theory and DCI avoidance and management.

Note: As with other IANTD programs, the diver must complete and pass the written examination, complete all open water requirements efficiently and safely, and meet all criteria on the final Course Evaluation Form in order to be certified.

Equipment, Materials, What's included?

You will find details of what is included and not included across all IANTD courses on the Overview page.

The IANTD Normoxic Trimix Diver course is normally taught in double tanks although Sidemount is an option for those already certified. Two decompression tanks are generally used. A pdf manual which also covers Technical Diver is issued upon sign up and payment of a deposit for the course.

Course Options and Duration

In the IANTD progression the diver has a choice of taking either Technical Diver or Normoxic Trimix Diver, there is no need to do both. Being air based, Technical Diver is depth limited at 51m/170ft and is an overall less versatile certification for deep diving. However if you prefer it, time taken is the same. During the Normoxic Trimix course you can expect a helium cost of roughly  $250-300/Php12,000-15,000, or slightly higher if taking Normoxic Plus.

Time frames are four days for Normoxic Trimix, five days for Normoxic Trimix Plus, and about one and a half days if just upgrading from a previous Normoxic certification to Normoxic Plus

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