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From CMAS, the old standard for three stars:In France with a CMAS *** training you are allowed to dive down to 60 m on air. And people dive in the range of 50 to 60 m quite often. Those dives are quite short (although not bounce dives) and I have never really been bothered with narcosis. With an extended nitrox training you are allowed to bring a "deco" tank (100 % oxygen for instance). That obviously help for the deco. In France we are not that into NDL dives. A small deco dive is quite a normal dive (we are trained for that starting the CMAS **). I think there is a world between dives 60 m and deeper and long and dives in the 50 m range (60 being the extrem limit) and quite shorts (although those are serious dives and should not be taken lightly...)
Back when AOW meant something.I don't know, AOW divers?
Yes, many technical divers would say only a blithering idiot would do those dives and there is alot of justification for that sentiment. To be clear I'm not saying that exactly. I am saying first and foremost that deep air is a very antiquated way of doing those dives. So much so that MOST technical agencies have moved away or shunned deep air. Some still have courses, but if you talk to instructors who are held to a high regard within those agencies, they are very disappointed that the agencies still teach it. Times change, some divers don't. One of the confounding issues here is the extremely high price of and difficulty to obtain helium. This could have been a very good discussion on mitigating risks or understanding how to make the decision to choose deep air if you're in a place that you simply can't get helium or can't afford it.but the way some of the posts read here you'd think only a blithering idiot would go out and do dives that certain agencies will actually train you to do.
The issue is that he has been spouting things that he believes and speaks as though he has technical training to back it, when he clearly doesn't. It is very dangerous to push an idea that is pretty much ubiquitously shunned because there are better options for the masses on an open forum like SB. That is MY main issue. If he kills himself diving, that's his issue (not that I would ever wish that upon someone). But he could also kill his buddy or get someone who doesn't know better in trouble from his inaccurate information. He gets defensive when people who have both the experience and training give an alternative point and also goes to gaslighting and passive aggressive comments. Those are the issues, at least for me and I suspect most of the people who are annoyed by him.So, is the issue really Boarderguy's delivery and nonchalant acceptance of "Hey, getting a little narced feels good"? Because if he was CMAS or TDI certified and talking about doing 55-60m on air, I can't imagine the same venom would be spraying his way.
De CMAS, l'ancienne norme pour trois étoiles :
"Ce programme de formation vise à présenter les principes fondamentaux du leadership de plongée aux plongeurs certifiés CMAS Two Star expérimentés, ce qui leur permettra de planifier, d'organiser et de mener leurs plongées et de diriger d'autres plongeurs sportifs en eau libre, à une profondeur maximale de cinquante-six (56) mètres de manière sûre et compétente."
La nouvelle et actuelle norme :
"Plongeur à une profondeur maximale de 40 mètres si vous esttez accompagné d'un plongeur avec le même
niveau ou équivalent selon les exigences légales nationales et locales."
J'ai été certifié selon l'ancienne norme à trois étoiles et divemaster en 1999 et le quatre étoiles n'existait pas.
La norme de plongée technique actuelle du CMAS indique un ppo2 maximum de 1,4 et une FIN de 40 mètres
En tant que titulaire d'une note pédagogique, il est de votre responsabilité de respecter les normes.
@passeparici pouvez-vous s'il vous plaît créer un lien vers une norme CMAS actuelle qui autorise 60 m sur une base régulière ?
Obviously (not being sarcastic) training can make a significant difference in safety, so if he got the TDI card he'd be good to 55m? Or got CMAS training and good to 60m?
I would never trust my own personal safety to a buddy, a mentor, a textbook, a class, an instructor, or to ANY agency. No one knows everything and anyone that tells you they do should be looked at with suspicion.
Learn from every source you can and learn to differentiate between analytical vs blowhard arguments.
Cool.