PSAI Narcosis Management course - 73m on air

[Centrals]

There was no PADI, no HE use, no BCDs, no SPGs no PDCs, no NITROX, no O2 use for deco, no HP tanks back then, just air at 2250 psi in 72 cuft tanks. The more tanks you had the more air you had, the deeper you could go and the longer you could stay if you could stand the long hang times often longer, than the BT. And that's the way it was, I know how it is now and it is infinitly better these days. Just having NITROX and O2 has made diving much easier and safer. The way I see it is, if it wasn't for divers of my generation and the generation before mine, diving to great depths on air, you mixed gas divers would still be watching divers diving air on NATGEO waiting for a safer way to dive. Or would you?

Hat off to those pioneers!
Mixed gas, nitrox and higher PPO2 etc etc certainly make deep diving much easier and safer. But I do not agree with the idea from certain quarter that deep air is dangerous.
As someone had already stated that He is NOT readily available everywhere.

 

[mathauck0814]

... nitrox and higher PPO2 ... certainly make deep diving much easier and safer. But I do not agree with the idea from certain quarter that deep air is dangerous.

umm.... what?

deep air is not dangerous, but deep nitrox (presumably with greater than 21% O2) is safer?

 

[Centrals]

umm.... what?

deep air is not dangerous, but deep nitrox (presumably with greater than 21% O2) is safer?

I meant rich nitrox mix for deco.

 

[usmarinekurt]

After reading this thread I am destroying my Mustang. It is simply too fast for anyone. The euphoria speed creates is unsafe.
i am also going to remove one of the outboards from my boat ,stop flying ,driving and eating.
I also am going to put my dog down cause one day he may bite me.

I hate liberals telling other people what is good or not good for them.

 

[DevonDiver]

Since when did 'prudence' become an integral and exclusive component within liberal philosophy?

Surely, (as an ex-marine?) you understand that 'best practices' and 'safety limits' have their place - to ensure that any risk-prone activity needs pose no more dangers than absolutely necessary?

Is it 'liberal' to wear body armor?

Is it 'liberal' to use the right tool for the job?

 

[mala]

After reading this thread I am destroying my Mustang. It is simply too fast for anyone. The euphoria speed creates is unsafe.
i am also going to remove one of the outboards from my boat ,stop flying ,driving and eating.
I also am going to put my dog down cause one day he may bite me.

I hate liberals telling other people what is good or not good for them.

good for you kurt.

i have a deep air cert -but that was the good old days.

now i have abs on the car ,radar on the boat,gps in the plane and i can see the additives on the packet.

sorry to hear about the dog-

 

[AfterDark]

Nothing wrong with being purdent but some posters make it sound like one might as well shoot oneself in the head as dive deep with air and it just ain't so. It may not be as safe as mixed gas, but it was safe enough in the past, if it wasn't nobody would be diving today. Th "sport" never would have on. Like the way that almost everybody that went below 25fsw with a 100%O2 rebreather was killed. Those rebreathers didn't catch on with the divng population. I be inclined to say that rebreather still suffer from that reputation even today, even though they are different animals.

 

[usmarinekurt]

Since when did 'prudence' become an integral and exclusive component within liberal philosophy?

Surely, (as an ex-marine?) you understand that 'best practices' and 'safety limits' have their place - to ensure that any risk-prone activity needs pose no more dangers than absolutely necessary?

Is it 'liberal' to wear body armor?

Is it 'liberal' to use the right tool for the job?

First off recreational sports isn't the USMC
second yes the military is a socialIst organization you sign up you play along
do as you are directed or get skull f*cked or worse go to jail
the Marine Corps is not going to hold your pee pee when the s*it flies either
use your training and equipment the best way you know how
you may have to drop your body armor and run
or the scope may break on the sniper rifle

Then what?
sir we didn't know those things break no one ever told us


If a guy wants to take a deep air course...so what? Who cares? I think any tool is useful even if only used once.
no one is the NCOIC here so no one has to listen to anyone here

Yes I spent some time in Olangapo drinking San miguel and mojo

 

[Kevrumbo]

First off recreational sports isn't the USMC
second yes the military is a socialIst organization you sign up you play along do as you are directed or get skull f*cked or worse go to jail
the Marine Corps is not going to hold your pee pee when the s*it flies either use your training and equipment the best way you know how
you may have to drop your body armor and run
or the scope may break on the sniper rifle

Then what?
sir we didn't know those things break no one ever told us


If a guy wants to take a deep air course...so what? Who cares? I think any tool is useful even if only used once.
no one is the NCOIC here so no one has to listen to anyone here

Yes I spent some time in Olangapo drinking San miguel and mojo

Actually, it can be more akin to fascism. . .
(see Military Industrial Complex)

. . .A similar thesis was originally expressed by Daniel Guérin, in his 1936 book Fascism and Big Business, about the fascist government support to heavy industry. It can be defined as, "an informal and changing coalition of groups with vested psychological, moral, and material interests in the continuous development and maintenance of high levels of weaponry, in preservation of colonial markets and in military-strategic conceptions of internal affairs. .

----------
(Back to topic)

If you're in warm tropical 27deg C waters, no current, good viz, on an external easy tour of a wreck (like in Truk Lagoon), you can cognitively accommodate to deep air. You have trained muscle memory to handle most contingencies albeit you may be slower to process, problem solve and react . . .so you strategically mitigate your activities to avoid potential tactical overload in an emergency situation --i.g. don't penetrate the wreck; don't physically exert yourself to CO2 retention levels & starting the vicious dark narc cycle; don't do any extensive computations on-the-fly to your deco schedule; go no deeper than 60m or ppO2 1.47 etc. --keep it all nice, easy and simple. . .

 

[DCBC]

Commercial and military diving does NOT equal recreational scuba diving.

What you apparently fail to understand, is that 100% of Commercial and Military divers are human beings like everyone else. Many of them like me SCUBA dive for recreation. Unfortunately they (like others) have to read your posts criticizing the use of "deep-air," regardless of a person's training or experience. Diving air at depth increases risk; so does diving under ice, in-wrecks/caves and technical diving in-general. Because you may not elect to participate in such activities does not give you the right to speak out against others who have taken the training and gained the experience to do such dives in a safe manner.

There is a stack of deep air deaths, and an extremely short list (of which I'm still patiently waiting for someone to produce) of "low END at depth" deaths. Its pretty cut and dry, guys. Its 2012, not 1973 when helium was some great unknown.

Because it's 2012, that does not mean that everyone MUST use a decompression computer, heads-up-display, or CCR. We are each free to use the gas and equipment we elect to use, regardless of what year it is.

The stack of deep air deaths will continue to grow until this pointless practice stops.