Why take the Normoxic Trimix / Normoxic Trimix Plus Diver course?
Venturing past 50 m / 170 ft demands polished skills, substantial experience, and the mental resilience to manage the challenges of deep, helium‑based dives. Mastering these dives unlocks access to unexplored wrecks, caves, and other frontiers beyond Technical Diver or Advanced Recreational Trimix limits — perfect for anyone drawn to true exploration.
Proficiency at these depths opens the door to project diving, exploration, and discovery for anyone who wants to take on the challenge.
Who is it for?
The Normoxic Trimix / Normoxic Trimix Plus Diver course is designed to enhance deep-diving proficiency using helium breathing gases and oxygen-enriched decompression gases.
This program is designed for experienced technical divers who wish to refine their deep-trimix capabilities. It focuses on helium breathing mixes and oxygen‑rich decompression gases. Preparing you to operate safely and confidently to 75 m / 250 ft while carrying up to three stage/deco cylinders.
What will I learn?
Course outcomes include, but are not limited to, using multiple stages; trimix with higher helium percentages; gas management; oxygen management; extended, accelerated, omitted, and general decompression strategies; dive planning; and managing multiple cylinders.
Graduates receive an internationally recognized certificate upon successful completion of the qualification. This certification permits diving to depths of up to 75 meters (250 feet) using oxygen and helium mixtures with an oxygen concentration ranging from 16 to 100 percent.
Order your Normoxic Trimix / Normoxic Trimix Plus Diver class now
Applicants must:
- Be qualified in IANTD / IDF Advanced Nitrox or higher or equivalent.
- Be a minimum of 18 years of age.
- Be physically and mentally fit.
- Be able to swim.
- Obtain a physician’s prior written authorization for prescription drugs, except for birth control, or any medical condition that may pose a risk while diving.
- Be experienced with technical diving configurations and related skills (minimum skills required: Basic 5, V-Drill, S-Drill, six propulsion techniques, including back kicks and helicopter turn, perfect buoyancy, and trim no more than 20 degrees out of neutral). For more information, please refer to TECHNICAL / ADVANCED NITROX / ART+ DIVER CLASS.
- Have a minimum of 100 logged dives beyond an autonomous entry-level scuba diver
- Have a minimum of 10 dives deeper than 36 meters (120 ft).
The Normoxic Trimix / Normoxic Trimix Plus Diver course is usually conducted over four days. It requires a minimum of four dives (including three trimix dives), at least 300 minutes of in-water work.
Transfer from Playa del Carmen is included.
Students must bring their own tech-level diving gear (requirements will be provided upon registration) or borrow/rent it, pay for their and instructor gases and tank rentals, cenote entree and agency certification fees is not included
Order your Normoxic Trimix / Normoxic Trimix Plus Diver course class now
OK GUYS, I’M GONNA BE YOUR CAVE INSTRUCTOR
Alexander Vronsky
Founder, Cave Ha Diving Mexico
IANTD and IDF Instructor Trainer. IDF Course Director.
Cave and technical instructor trainer: Cavern to Technical Cave, Technical to Master Deep.
CCR instructor: GBM CCR from Nitrox to Trimix 100, S7 CCR from Nitrox to Helitrox, CCR Cave, CCR Technical Cave, CCR Expedition Cave, Dual CCR.
Approved S7 ССR and GBM CCR instructor. Authorized dealer for S7 and GBM rebreathers.
GUE member. GUE Cave 2, Cave DPV, Cave CCR, CCR 2, Tec 3. IANTD Fathom MKIV CCR. TDI technical instructor
Elected representative of CREER (Comité Regional de Espeleobuceo, Ecología y Regulación), the regional cave diving committee of Quintana Roo.
Alexander lives and teaches year-round in Playa del Carmen, in the Riviera Maya, home to nine of the ten largest underwater cave systems in the world. Every cave and technical instructor on the Cave Ha team was trained by him.
Before dedicating himself to diving, Alexander spent many years running large-scale technical and broadcast operations, including for the Olympic and Paralympic Games. That background is why the logistics behind every course here simply work.
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