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This has already been posted on techdiver but obiviusly you missed it. For.the last three years IANTD has had Normoxic trimix. This course does not require air dives deeper than 130 to enter into it. You can do a full trimix course once you have logged 12 dives between 130 and 200 on normoxic mix so you have deep diving experience and gas management capabilities from deeper dives ..There is and has not been for three years any requirement to do deep air dives beyond 130 there are requirements to do deep dives between 130 and 200 to get into the full trimix course IANTD has a Normoxic Trimix program, this program has been an IANTD Trimix > course for three years now, it was formerly called Intermediate Trimix/ > Below are some excerpts from the Normoxic Trimix Diver Standards > > Normoxic Trimix Diver > > A. Purpose > 1. This Program is designed to train those who wish to dive to depths > between 130 fsw (39 msw) and 200 fsw (60 msw), but who do not wish to > breathe air below 130 fsw (39 msw). Trimix affords a means of reducing > narcosis on dives to such depths. > B. Prerequisites > 1. Must be qualified as an IANTD Advanced EANx Diver. . > 2. Must provide proof of a minimum of 100 logged dives, of which at least 30 > were deeper than 90 fsw (27 msw). > 3. Must be a minimum of 18 years of age. > OR, if being accepted in the Program based on equivalent experience: > 4. Must be a qualified IANTD EANx Diver or equivalent. > 5. Must provide proof of a minimum of 150 logged dives, of which at least 50 > were deeper than 90 fsw (27 msw). > 6. Must be a minimum of 18 years of age. > > > 2. This Program must include a minimum of three Air or EANx dives in OW (or > overhead environments if the diver is already qualified or if taking this > Program in conjunction with a cave or wreck course) to depths not to exceed > 130 fsw (39 msw). Two of these dives must be to depths deeper than 100 fsw > (30 msw). On all of the dives the student must manage one stage cylinder. > > 3. This Program must also include a minimum of three dives in OW (or > overhead environments if the diver is already qualified or if taking this > Program in conjunction with a cave or wreck course) on Trimix using one gas > switch. These dives may be performed at depths between 130 fsw (39 msw) and > 200 fsw (60 msw). All divers must make one dive to at least 180 fsw (54 msw) > and no dives deeper than 200 fsw (60 msw) > 4. This Program must include a minimum of 300 minutes of run time, including > Air, EANx and Trimix dives. > 5. To complete the course within the minimum specified dives students must > have an average of 8 points (out of 10) on the watermanship evaluations. > With 2 or more additional dives the student may graduate from the course > with an overall average score of 6 points > > > There is no requirement to have dived deeper on air than 130 feet and dives > in the course below 130 feet on anything other than Trimix is prohibited. > Again we have had this course (formerly called intermediate Trimix) for the > past three years. > > > > Respectfully yours, Tom Mount CEO IANTD World HQ http://www.iantd.com
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