• Technical Decompression with Helitrox Diver

Technical Decompression with Helitrox Diver

This course provides you with the theory, methods, and procedures of planned staged decompression diving while using optimal breathing gasses to include a light trimix (helitrox) and oxygen during decompression.

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Graduates will be competent to plan and execute decompression dives using helitrox and oxygen to depths not exceeding 150 fsw (46 msw).

This program includes:

  • 8 hours of classroom study in diving equipment, Diving Physics, Physiology, Dive Tables, Gases, Mixing, and Diving Safety.
  • 2 hours of pool training in the use of dive equipment and skills review.
  • Ocean dives off La Jolla with a boat dive option to one of the beautiful southern Channel Islands.
  • Provided is an in-depth study of Reduced Gradient Bubble Model (RGBM) decompression theory and RGBM dives tables are utilized exclusively.
  • Gas Blending methods and analysis.
  • Technical diving procedures and techniques.
  • Team building and diving protocols.

Gear Configuration: Preferred Hogarthian or DIR / NTEC with use of backplate inflation and long primary hose (covered in class).


  • Participants must be able to swim 225 yards using any stroke non-stop, float/tread water for 10 minutes.
  • 50 logged dives; must have certification in Nitrox and have minimum of fifteen Nitrox dives logged.
  • 18 years of age, free of any respiratory, circulatory illnesses.
  • Master diver certification
  • Intro to Tech class or equivalent
  • DAN Master insurance

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