Jim fantasy world would have the NSDA (No Shit Dive Agency):

1. Basic scuba (down to 60')
2. Advanced scuba (Down to 120', no deco, 20 dives required)
3. Mixed gases (encompassing nitrox, trimix and deco, 60 >60' dives 
required)
4. Stage diving (staged deco, gas management, >40 deco dives required)

 Jim

Sender: Kevin Rottner  Date: 9/22/98 3:12 PM

>At 01:11 PM 9/22/98 -0400, you wrote:
>
>>You have to step back from any preconceptions, but really, if
>>you taught OW1 with heliox, think about the difference in
>>narcosis....
>
>The agencies I teach for specifically state dives # 1 and # 2 to a maximum
>depth of 40 FSW. Dives # 3 and # 4 to a max depth of 60 FSW.
>
>What would the value be of using Heliox to control nitrogen narcosis ? At
>the max depth of 60 FSW your PN2 is 2.23 atm. Do you get narked at 2.23 ??
>
>If we really wanted to improve dive safety ( and if you really want to shake
>up the recreational SCUBA world )  lets take a trip to Kevin-land, where I
>make up all the rules:
>
>
>Open Water / Beginner : Course is taught and students are trained on EAN 36.
>Certification Card issued specifically states certified to dive to 60 FSW,
>and obtain only EAN 36 fills. ( 1.02 PO2, 1.80 PN2 ) Students are DRILLED TO
>OBSERVE MOD.
>
>
>Advanced: Course is taugh and students are trained on EAN 32.
>Certification Card issued specifically states certified to dive to 100 FSW,
>and obtain only EAN 32 fills or EAN 36 fills. ( 1.29 PO2,  2.74 PN2 )
>Students are DRILLED TO OBSERVE MOD.
>
>
>
>Deep Specialty: Course is taught and students are trained on EAN 28.
>Certification Card issued specifically states certified to dive to 130 FSW,
>and obtain only EAN 28, EAN 32 and EAN 36 fills. ( 1.13 PO2, 3.56 PN2 )
>Students are DRILLED TO OBSERVE MOD.
>
>
>
>Air Specialty: Course is taught and students are trained on air.
>Certification Card issued specifically states certified to dive to 160 FSW,
>and obtain air and all mixes of nitrox  EAN 22 to EAN 50 ( 1.23 PO2, 4.62
>PN2 ). Students are DRILLED TO OBSERVE MOD.
>
>( 4.62 PN2 is really what I feel the borderline of "deep air ". At that
>depth I start to feel wobbly. Next step would be technical training and
>trimix. At this point, with the training and academics and skills drilled
>into the students, we would have safer deep divers. )
>
>Of course, the normal compliment of specialties and rescue diver and
>divemaster and the whole world of technical training remains as it is. But
>by simply starting people off on Nitrox, and incorporating the training into
>the courses, I think we would improve dive safety overall.
>
>Kevin
>" You'll never miss the water,
>until the well runs dry . . .. "
>
>as sung by Bob Marley 
>
>                             [\]
>                            |
>                            |
>^^^^^^^^^^^^^^^^^^^^^^
>                                                    o           o  
>                                              o           o
>                                         o         o
> _____              o         o  
>(_/\_)        o   o  o   
> =( )=   oo
>
>Kevin Rottner
>
>--
>Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'.
>Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
>


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