Extended Range / Trimix

The TDI Extended Range course teaches you the proper techniques for utilizing compressed air as a breathing gas, and with a maximum depth of 55 metres. The TDI Extended Range Diver Course provides the training and experience necessary including proper techniques, equipment requirements, and hazards of deep air diving, to competently utilize air for dives up to 55 metres that require staged decompression, using nitrox mixtures or oxygen during decompression.

Are you looking to expand your depth range? Do you want to reduce narcosis during deep dives? The TDI Trimix Diver Course could be your next step! As your motivation to explore progresses, you will find that you may want to go deeper to dive that wreck that is part of history or that cave system that you have read so much about. One of the major limiting factors of going deeper is narcosis; TDI’s Trimix Diver course shows how to minimize the effects of narcosis by adding helium to offset the nitrogen in your breathing gas. While taking the Trimix Diver course your TDI Instructor will teach you how to plan and execute dives utilizing as little as 18 percent oxygen and diving to maximum depth of 60 metres a blend of helium appropriate for the planned depth. 

Who is this courses for: A TDI Certified Advanced Nitrox / Decompression Procedure diver is looking for the next step in technical diving training. Whether you want to expand your skills, experience, or simply delve deeper to see an area of ​​interest, this course is for you!

Course requirements: Minimum age 18 years old. Certified as TDI Advanced Nitrox Diver and TDI Decompression Procedure Diver or equivalent Confirmation of a minimum of 100 logged dives, of which 25 must be deeper than 30 meters.

• Physics and Physiology
• Oxygen toxicity, Nitrogen anesthesia, Nitrogen absorption and excretion, Decompression options
• Advanced decompression dive planning
• Decompression gases choices
• Emergency and contingency planning (equipment failure, omitted decompression, etc)
• Decompression diving procedures
• Equipment selection
• Stress analysis and mitigation
• Following a decompression schedule, Gas switching
• Management of multiple decompression/stage cylinders
• Emergency procedures (equipment failures, catastrophic gas loss, omitted decompression, navigational errors, injured/unconscious diver, etc)

What’s in it for you? Ability to conduct technical diving activities to a depth of 55 or 60 without direct supervision. Upon successful completion of this course, graduates are eligible to enroll TDI Trimix and TDI Advanced Trimix courses.

TDI Extended Range/Trimix Diver minimum requirements: Successfully complete the TDI Extended Range Course / TDI Trimix Diver course written examination. Efficient fulfillment of all open water requirements. Demonstrate a mature and sound judgment regarding the planning and execution of dives.

How can you apply for this course? Book a course from BaikalTek instructor. Spare 4-6 days for diving under the instructor supervision. Shallow diving for skills and decompression dives with a maximum depth of 55 or 60 meters. Spare a 1-2 days for personal training of the skills gained.

For professionals: you can get TDI TDI Extended Range / Trimix Instructor qualifications. Please, contact us for more detail.

The cost of the courses TDI Extended Range / Trimix is 60000 or 72000 rubles.

Together in a package with other courses (for example, together with Decoprosedures or together with Advanced Trimix) 10% discount. The price includes: theory in the classroom, open water dives on Lake Baikal, certification for TDI TDI Extended Range / Trimix Diver. Not included: rental of personal equipment.