Hatul
Contributor
Based on some of the reasoning presenting above, it may sound like we should stop carrying any safety devices that we didn't need for our last hundred dives.
If, if, if - if s/he always travels with you, makes every dive you do, sticks with you like a remora, and nothing goes wrong. How many times have you used a spare tire, and would you drive 100 miles thru Arizona backroads without one?You can also discuss risk management and how to deal with caca when it hits the fan, but I won't dive without one unless I have to - like when I arrived at the resort too late the first night to have it filled for the first trip the next day. Sure enough, that was when I screwed up and had to do a 50 ft Cesa - which I aced, but I really missed my pony.
It's a hassle: annual reg and tank servicing, an extra 15# in my luggage for every trip, getting it filled on arrival, boarding with it, mounting up with it, dragging it thru the water, climbing it up the ladder, rinsing it between dives, etc. Still - nope, won't do without it if I can avoid it. Hell it should be a requirement before buying a camera as bad as many of us are about following our view finders.
Get the 19 cf - only 2# heavier than the 13 cf but 50% more air when a surprise comes up, as it's hard to say how much is enough in an emergency given the unplanned nature of those. The 6 cf is in the same joke area as a spare air.
What book? Can we bury it? You want your safety devices attached to your body.
Since you're the guy who announces all the diving deaths I'll believe you.
Adam