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The diver is not going to stay on the bottom very long. The diver may have to make due for the dive with the gases he has on hand. The diver may choose to stay at a certain depth as long as possible so chooses the mix that allows this. The diver may choose to take a risk you wouldn't so he...

Deja vu!!! You are correct, what you described is not tech. I refer to a dive like this: Trained tech diver chooses the following profile. He/she is at a nice quarry and the diver wants to go to the bottom,140 ft. His back gas is 32%. hmm can't breathe that there. So Stage 26% for the...

It is possible that a diver would not go into deco or be in a hard overhead environment yet still require stage switches during the dive and more than one mix. The diver would always have access to the surface during this dive. Kal

Busting rec limits makes it a tech dive huh? Going into deco makes it a tech dive? Going into ice water conditions,that makes it a tech dive? Or must it be all together before it is a tech dive? What we are trying to do is : define tec. For me what works best is a short, straight...

Let me help you,, your supposed to say,, well, if your partner is on top then it is an overhead environment so that makes it tech. Kal

Tech diving does not enhance my maleness. I don't need Enzyte. It is a convoluted definition for tech. But then again, I've never done it underwater so I am open for changing my position on that. Kal

It's an aphrodisiac,, yes? Kal

The UCCRand R specialty is not for the timid. Time and time again I have seen grown men whine loudly in pain as they attempt this delicate procedure. Be forewarned. Kal

Congradulations and welcome to the club! I am quite familiar with the underwater gear switching certification and me and my girlfriend practice it as often as possible. It is definately technical. Kal

It's over my head! Kal

:rofl3:

Did your definition not say overhead environment is technical? Kal

Surely you are aware of the risks of breathing O2 or any gas below it's MOD. Kal

How could not defining a word that is used so much in what we do not be positive? All of those 7 dive divers going through the ambulance at 20 ft. are not doing a technical dive IMHO. Kal

Yes, Jeff G has a definition for it and I would submit it is a bit convoluted and a much better way to word it is what I have mentioned. It is clear, concise, and to the point as any I have seen. Kal

Yes, 160 ft is 30 ft. deeper than a full cave's limits. Busting a limitation does not make it a tech dive. Kal

I think it is tech, I was going by what you had just written. What you had just written said Cavern is a non-tech dive. Too convoluted. Throw out anything that has to do with overhead. Overhead is not required to become tech. If you say multiple bottles(gases) to finish the dive then you...

Feelings of superiority has nothing to do with it. Diving is an ever evolving sport. We use deco for it's advantages. Diving with deco gas has killed many divers better than most of us will ever be. Back in the old days those explorers didn't have these options but they had other things to...

A cavern dive is non-technical. What if it required you to go deep and into deco and you had to take deco gases and do switches while underwater? Kal

Can you focus on the simple question? Kal