Monthly Archives: November 2015


Six questions to ask before issuing replacement C-cards

CobwebsOne of the most common emails my dive store clients receive goes something like this:

I was certified through your store ten years ago. I’m leaving on a vacation next week and can’t find my certification card. Can you get me a replacement?

Does that set off alarm bells? It should, because it could easily be the sign of an accident waiting to happen. Here is just one story that illustrates what can take place when you issue replacement c-cards on a “no questions asked” basis.

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The Ultimate Weight Check 5

Weight checkAt the surface, a properly weighted diver will float at eye level. This statement, or one like it, appears in virtually every diver training organization’s materials. What you won’t find agreement on is whether this is with a full lung of air or half a lung of air. It may also be unclear is whether this is done which a full tank or one that is closer to empty. It doesn’t matter. No matter what your Open Water Diver manual says, it’s probably wrong. At least much of the time. Why is that?
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