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2 hr bottom times at 100' is well beyond recreational nitrox, which is where I think this discussion has been centered.

Agencies teach to use the suit to minimize task loading so you are focused on one air space instead of two. They also want you to get experience managing the airspace in the suit. I can see the motivation to do so as a learning aid. In practice however, inflate the suit to manage squeeze. Use...

That's another good point. You need to make sure your rig will float on its own so if you have to take it off in the water, it doesn't sink to the bottom.

I am a fan of Akona bags for quality. Our wheeled bag is Oceanic though and it is great. We had an older model and the zipper pull came off. We called them and they sent us a whole new bag and upgraded us to a nicer current version. Couldn't be happier. I have heard of some people...

Yes, the math is easier. Except that americans don't think in meters they think in feet. The dive briefing was probably also done in feet. Knowing a mod is 37m doesn't help if you don't know how many meters the dive site is.

I would not. If you have a suit failure, you want to be able to be positive at the surface. If its true that your BCD cannot keep you positive at the surface itself, you need to do something about it. Preferably, you get something with more bouyancy. If you are constrained size wise, a BP&W...

If its been several years, it might just need a cleaning and a servicing. I doubt an angle adapter would cause that. Other possibilities include a tank valve that wasn't open all the way.

You picked an easy multiple, used meters when most have depth guages that measure in feet, and only identified the PP02 and did not identify a MOD at, for example, 1.4. I can do it too, but for many, its quicker and more reliable to just look at the table than do it in their head.

Is it? I can calculate a MOD at any PPO2. Or, I can look at the chart at the fill station after I analyze my tank and just write it down from the 1.4 or 1.6 column for whatever mix I actually ended up with in the tank.

I'd rather have someone write the MOD down on a sticker from a table and put it on the tank than screw up the math in their head on a rocking boat.

I used Mark for a repair and it didn't go well. Eventually he did make it right though. I plan to try Steve Gamble next time I need something. ---------- Post Merged on July 5th, 2012 at 05:15 PM ---------- Previous Post was on July 4th, 2012 at 04:27 PM ---------- For reference, this was my...

If you are diving a mix you can't safely dive at 15 feet deeper than the plan, you are probably on the wrong mix anyway. And on top of that, the risk of diving at something like 1.45 instead of 1.4 is probably really not worth worrying about all that much. If I am remembering right, it wasn't...

It seems that I wasn't the only one that got that impression from your many references to case law in this thread. All I did was urge caution when drawing legal conclusions - especially since you admit you are not a lawyer.

Because people talking about an accident probably isn't going to do harm. People publishing conclusions of law that others might rely on can do harm. A lot of harm. Consider that someone might read comments like yours and decide they don't need a waiver and then get into trouble and it turns...

Arm chair lawyering is dangerous. If for nothing else, I bet your insurance policy says that if you don't have that waiver, they won't cover you at all. It costs money to respond to frivelous law suits too.

Its not that clear cut. You are talking about negligence, and one of the big questions about negligence is what duty was owed that was breeched. The waiver may show an assumption of risk and diminish a duty owed. So, even if you can't waive negligence, it doesn't necessarily mean that a waiver...

I don't know. I've been tempted to stop by or call out of curiosity but I thought they have enough going on they don't need that. I know PADI instructors can issue certs without a shop on an independent basis. Maybe there is a way for the other instructors to take care of finishing their...

There is nothing a noise maker can do that grabbing the instructors arm and signaling a problem couldn't do.

A mind does like to wander about these things doesn't it. I've been a "missing diver" in a rescue class plenty of times. Sometimes, the students go past me over and over and over. Other times, they swim straight into me almost like I was holding a beacon of some kind. Sometimes you do just...

He is listed as J. David Hays on the PADI list, it could probably be either of them.