1. Big boats full of backpacker divers. (This may come under "attitude" mentioned above. The happy-go-lucky approach to diving on the part of so many of these people isn't appropriate, and attitudes--both good and bad--seem to have a way of becoming generalized in any particular group.)
2. Failure to do buddy checks. (This would go a long way to preventing a bunch of underwater issues, such as unconnected LP hose, missing weight belt, loose tank strap, air not turned on, etc. And yes, I've been guilty as charged, too.)
2. Failure to do buddy checks. (This would go a long way to preventing a bunch of underwater issues, such as unconnected LP hose, missing weight belt, loose tank strap, air not turned on, etc. And yes, I've been guilty as charged, too.)