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At 4:13 PM 7/31/95, Roderick Farb wrote: >You certify them the same way you certify anyone else. If they can use >the rebreather properly and pass a good written exam, then they pass the >course. If they can't and don't, then they don't pass the course. They >don'y get their money back and they get the opportunity to take the >course again by paying the fee. My problem with your scenario is that the >student had problems with using air with the BMD rebreather and became >hypoxic. My question is how come we breath air now and have no problems >becoming hypoxic. How come open circuit divers don't become hypoxic >breathing air. If you mean that the unit did not supply make-up O2 to the >air that was being rebreathed when it went lower than 16% or so, then I >would I would say that the "instructor" allowing the diver to use the >unit in that fashion was an idiot and had no concept of the rebreather as >life support. Further, if that was the case and the only thing expected >was "a little discomfort", then the "instructor" ought to be publically >stoned with big hard rocks. If that were the case then the question is >not about uncertifiable students but what to do with completely >incompetent instructors. Wait a minute Rod. Experience with hypoxia ought to be a requirement of the course. When I was with NASA, I was required to go through explosive decompression training every 3 years to keep my flight status. They blew us up to 27,000 feet and made us play patty-cake with each other until we got stupid just so we'd know what it felt like. Don't you think this is valuable for people using rebreathers too? Scott.
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