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> ... The other group, which included the victim, Isagani A. Bisnar Jr, > known to friends as "Totit", were more experienced and planned for a > depth of 57 meters maximum. The group's training and experience level > were sufficient for this depth as Totit for example was an IANTD Advanced > Nitrox Diver with over 200 logged dives. ... Wrong. "Sufficient for this depth" only as long as the dive goes _exactly_ according to plan. Unfortunately, dives have a way of not always going exactly according to plan, and the narcosis leads to bad judgement calls, and any level of exertion leads to the carbon dioxide, nitrogen, and oxygen hitting you from three directions at once, and chances are you end up dead like this fellow. I did enough deep air during my misspent youth that 57 metres scares the shit right out of me. You may get away with it one time, two times, three times, but not if you keep doing it. Knowing that you've gotten into a situation that you need to back out of _slowly_, _now_, because you've left yourself no margin for error, is the first step to becoming a recovered ex-deep-air diver. We've heard this same story too many times. We don't need to hear it again, especially not on the Easter weekend. Chances are I'm preaching to the choir, but helium divers are happy divers. Deep air has a bad track record, and people have got to stop trying to rediscover that for themselves the hard way. -- Anthony DeBoer <adb@on*.ca*> -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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