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View Full Version : Advanced Nitrox,TDI or IANTD?
ianr33 July 9th, 2003, 11:11 AM I am going to be doing an Advanced Nitrox course in a few weeks time. I need to decide between TDI (Advanced Nitrox/Deco) or IANTD(advanced Nitrox). The only obvious difference I see between the two is that TDI allows 100% O2 for deco. Which should I choose? (Instructor would be the same either way so that is not a factor) O-ring July 9th, 2003, 11:21 AM ianr33 once bubbled... I am going to be doing an Advanced Nitrox course in a few weeks time. I need to decide between TDI (Advanced Nitrox/Deco) or IANTD(advanced Nitrox). The only obvious difference I see between the two is that TDI allows 100% O2 for deco. Which should I choose? (Instructor would be the same either way so that is not a factor) If instructor is the same, why not go with TDI so you can get the 100% card... What does IANTD allow as a max o2 %? ianr33 July 9th, 2003, 11:27 AM Max O2 with IANTD is 50%. I agree this is a big point in favor of TDI,just wondering if I am missing anything. O-ring July 9th, 2003, 11:31 AM ianr33 once bubbled... Max O2 with IANTD is 50%. I agree this is a big point in favor of TDI,just wondering if I am missing anything. ...with IANTD you are missing another 50% o2 :D .. ianr33 July 9th, 2003, 11:34 AM O-ring once bubbled... ...with IANTD you are missing another 50% o2 :D .. Thats Good:D cornfed July 9th, 2003, 03:50 PM O-ring once bubbled... ...with IANTD you are missing another 50% o2 :D .. For some reason they don't do 100% until their "Technical Diver" class. Anyone know why this is? Cornfed O-ring July 9th, 2003, 03:56 PM cornfed once bubbled... For some reason they don't do 100% until their "Technical Diver" class. Anyone know why this is? Cornfed VaJames July 9th, 2003, 03:58 PM Would you like cheese with that burger? That will be an extra $1.10. Get it? I did Adv Nitrox and Deco last month thru TDI. They will usually give you a discount if you take both classes together. Something to think about. James :getsome: O-ring July 9th, 2003, 04:04 PM http://www.iantd.com/standards/2001/TechDiver.htm#2 cornfed July 9th, 2003, 04:09 PM The missing 50%... cornfed July 9th, 2003, 04:11 PM I think it's like TDI's Deco prodecures class, ie air down to 160ish ft, deco on nitrox. Confed Diverl July 9th, 2003, 06:05 PM The requirements to take the Advanced Nitrox course are pretty low. Most divers with as few dives as that dont have great bouyancy. With 50% you get a larger margin for error without pushing your PP02 too high. With 100% that marging for error gets smaller. If you can hold your bouyancy +/- 1 foot I would not worry about it. Just my .02 cents. blacknet July 9th, 2003, 06:08 PM Hello, When the day is over doesn't it all come down to 2 things? 1) how well you learned the material and have a grasp on things and 2) how well the instructor trained you? Ed Charlie99 July 9th, 2003, 06:09 PM ianr33 once bubbled... I am going to be doing an Advanced Nitrox course in a few weeks time. I need to decide between TDI (Advanced Nitrox/Deco) or IANTD(advanced Nitrox). The only obvious difference I see between the two is that TDI allows 100% O2 for deco. Which should I choose? (Instructor would be the same either way so that is not a factor) Simple decision. Just tell your instructor that you want to cover all of the material in both classes.
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