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I think that the DIR OW student being steered into the course by a DIR friend or family member is more the rule than the exception ... and that the person entering the class knows little more about alternative programs than any other prospective OW student would.It seems to me that most people who choose the more comprehensive DIR system of training from the beginning are well aware that others types of Scuba training/equipment exist. Paying the extra money to learn to dive in this style is probably a choice informed by plenty of prior research into various training paths. So, except for the rare individual who has indeed been sheltered by perhaps a spouse, I doubt these divers actually live entirely in a DIR bubble.
I agree ... but that sets a pretty low bar ...Id suspect that given the extra training, OW DIR trained divers are at least as capable of safely diving with different dive partners/systems/equipment, as OW non-DIR trained divers are.
Heck, my PADI OW course emphasized that you always do buddy checks, pre-dive equipment checks, and maintain good buddy contact, communication and situational awareness.
Unfortunately, piikki, I think it's quite possible that a DIR OW class would not take the time to talk about different configurations and explain that, out in the larger diving world, there are many people diving different gear and using different procedures. It is, to an extent, one of the weaknesses of the curriculum as I have seen it. For example, in my NACD Full Cave class, my instructor was quite careful to ensure that I knew all the issues that had to be brought up and gone over before a cave dive, assuming that my buddies might have differences in equpment, marking protocols, communication techniques, etc. We never did any of that in my GUE classes, simply because the assumption is that you will be diving with other GUE divers.
In fact, when I failed to get upset when a buddy had his spool and markers hanging from his butt d-ring, and gave as an excuse that I saw they were there but wondered if that was simply where he was accustomed to carrying them, my instructor was quite annoyed with me. I was expected to assume that everyone with whom I dive will follow the procedures I was taught.
It might very well be a weakness of the recreational curriculum. I don't know. Very few GUE or UTD OW classes have been taught so far.
I think it's a good question that kanonfodr raises.
I agree ... but that sets a pretty low bar ...
... Bob (Grateful Diver)
So what exactly is the problem?
The problem IMO is making safety assumptions about divers with whom you have no personal experience or about whom you have no reliable information.
But that has absolutely nothing to do with DIR.
I see a similar problem here unless the training is varied, something DIR is not noted for.