• TDI Trimix Diver

TDI Trimix Diver

The TDI Trimix course provides the training required to competently and safely utilize breathing gases containing helium for dives that require staged decompression, utilizing nitrox and / or oxygen mixtures during decompression to a maximum depth 200’. The dive training takes place over 3.5 consecutive days.

Starting from

Availability: Contact us for booking information

The objective of this course is to train divers in the benefits, hazards and proper procedures of utilizing custom oxygen / helium / nitrogen mixtures as breathing gases. Training will occur in a variety of environments but all fees are included in the cost of this class. Dives on the Oriskany are part of the training. If you are comparing costs with other programs this is our all inclusive price, make sure you are comparing apples to apples. Please email our Tech Instructor Greg to discuss details of the class or planning a class around your mutual availbility if the date we have availble wont for the next class work for you.

Required Equipment:

  • Mask and fins
  • Backup mask recommended
  • Exposure protection
  • Dual primary cylinders (sidemount or backmount) or a large single cylinder with H-Valve
  • Two first and second stage regulators
  • One SPG for backmount/H-Valve or two SPGs for sidemount
  • 7' long hose
  • BCD inflator hose and/or dry suit inflator hose
  • Buoyancy Compensating Device (BCD)
  • 2 Depth and timing devices
  • Cutting device
  • Primary reel with a minimum of 130 ft of line
  • Lift bag/surface marker buoy (minimum of 25lbs lift)
  • 1 Decompression cylinder (40 cuft recommended).
  • 1 Oxygen clean decompression regulator. (1st and 2nd stage with SPG).
  • Water proof notebook or wrist slates.
  • Oxygen analyzer recommended, but not required.

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