TThe 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 of 60 Metres/200 ft.

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. Gas
mixes are not to have any less than 18 percent oxygen (O₂) and a minimum of 25% helium (He).

The Ocean Quest Difference…

Your TDI Trimix course will include training in handling and rotation of 3 Deco/Stage cylinders during one dive. These skills include use of a leash and bottle rotations. You will also learn and gain practical experience in planning and executing 2 technical dives in one day.

Prerequisites

• Minimum age 18.
• Minimum certification as a TDI Advanced Nitrox Diver and TDI Decompression
  Procedures Diver, or equivalent.
• Provide proof of a minimum of 100 logged dives.

Medical Statement

All technical diving students are required to complete a Diver Medical Statement signed by a physician within the past 12 months stating you are fit to dive

Click Here to Download Medical Statement

Price Includes

• TDI Trimix Manual or eLearning
• 3 x Custom Technical Diving Theory Sessions
• 1 x Custom Decompression Theory and Technical Diving Planning Theory Session
• Minimum 5 x Technical Diving Training Dives including 3 x Decompression Dives
• Air Fills

Exclusive to Ocean Quest

• Access to multiple resources including digital books, articles and videos on various technical diving topics
• Instruction in Advanced Decompression Theory and Progressive Technical Dive Planning procedures
• A comprehensive “Decompression Theory and Dive Planning” booklet created by Ocean Quest
• A comprehensive “Technical Diving Student Handbook” created by Ocean Quest

What’s Needed?

• All Standard Technical Diving Equipment – Backmount or Sidemount Configuration – Click here for technical diving equipment details
• 2 x Decompression Cylinder with Regulators – Rentals available
• 1 x 80 cuft Stage Cylinder with Regulators – Rentals available
• 1 x Drysuit Inflation Cylinder with Regulator
• Nitrox and Tech Fills not included
• Trimix Fills
• Instructor Trimix Fills – the cost of instructor trimix fills will be shared by all students and instructor candidates

Additional Notes

Students are required to possess a high level of buoyancy control while maintaining horizontal trim, advanced propulsion techniques including modified frog kicking, modified flutter kicking, helicopter turns and back finning. The ability to maintain a stable position in the water.

An Assessment is required for students entering the TDI Trimix Diver course with a qualifying prerequisite certification from another training organization. Contact Ocean Quest for more details.

The TDI program is available on an individual basis. Contact Greg McCracken for details or to schedule a program.