Hi There, I think you pose a good question, why so many CCR deaths? I have been wondering the same thing. The only idea I have been able to come up with is "Complacency." I believe the CCR rigs are complex enough that if ALL of the required checkout procedures are not carried out religiously, there is a reasonable chance that something may fail (or already have failed). And some of the failure modes are such that there is no significant warning before unconsciousness results. I think this may be coupled with the more stringent requirement to monitor the equipment performance. How many of us have at some time, forgotten to check the performance of a backup second stage or both backup lights before a dive? We may have gone through the entire dive without ever thinking about it. But evidently with a CCR, the failure modes are subtle enough that forgetting to do the checks can be a precursor to real trouble. I know it was ridiculously dumb but over the years I have made several recreational dives where someone else set up my rig, I grabbed a mask and fins, slipped into the BC, jumped in the water without ever putting the second stage in my mouth and only grabbed it on the way down, and never looked at any of my gauges until 45 minutes into the dive. I dodged the bullet on these dives. Evidently, the bullets are significantly more dense when using a CCR. Commercial, military and most civilian pilots have learned the necessity and discipline of doing a preflight check before every flight. I'm afraid that CCR divers have not yet learned this lesson. But that's only one person's opinion. Take care and dive safe, Scott Some weeks it's just not worth the effort to gnaw through the restraints and scramble up out of the pit. In a message dated 8/6/02 8:52:01 PM, grey@te*.ne* writes: << ----- Original Message ----- From: "Joel Markwell" <joeldm@mi*.co*> To: "Techdiver" <techdiver@aquanaut.com> Sent: Tuesday, August 06, 2002 10:43 AM Subject: Re: More on PA Quarry Rebreather death > On 8/6/02 11:54 AM, "Daniel Smith" <Daniel_Smith@CO*.CO*> wrote: > > > At that point Bobby signaled to Adam to join our buddy team and went off by > > himself. This was not unusual, as he was not only certified as a solo > > diver but also as a solo diving instructor. > > Solo diving instructor. That really says it all. > > Not only solo diving, but solo diving in extremely low vis and while on a > rebreather. > > This "evolution" of tech diving is not one that will produce a successful > species. > > JoeL It is sad when anyone dies...be they diver or other. I find it difficult to comprehend why so many rebreather divers over the last several years are biting the dust??? Or the sand!!! Is it the rigs they are diving ???.....the training...??? lack of maintainence ...??? 12 " dickism...??? ... or lack there of ??? I am not interested in the usual techdiver shit...but I would be interested in any constructive comments. Since there is always an agenda on this list...I will tell you mine up front.... After many years of OC.... I am moving to a rebreather. Hence my interest. Later, >> -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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