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>Date: Wed, 6 Sep 1995 09:35:22 -0700
>From: Mail Delivery Subsystem <MAILER-DAEMON@no*.un*.po*.co*>
>Subject: Returned mail: Cannot send message for 5 days
>
>>Are there other divers that
>>use a safe second on their main reg as well as a pony reg?  If so,
>>what are the reasons?
>

my preferences: 

>1 reg & 1st stage on main air supply unless main air also used for deco in
>which case 2 regs.  Add'l deco air available at stop as b/u.  2nd reg only
>used for buddy or to avoid using b/u deco gas if 1st reg fails at depth/time
>requiring deco.
>
>1 reg & 1st stage on pony.  13ft2 or 40ft2 depending on dive.
>
>Dive called when any piece of air supply equipment fails or buddy
>experiences same.  Not all dives with a buddy, however.  All deco dives with
>buddy.
>
>None of the above applies to caves.  I haven't figured that out yet and I'm
>"in training" for full cave.  Furthermore, I have only a nitrox c-card in
addition to o/w so the above is >just the procedures that I developed on my
own for myself and not taught.
>
>FYI,  John 
>
>Undersea Productions, Inc.   (sport diving since 1976)          
> Full service video production house specializing in Hi8 u/w videography.
>  Boca Raton, Florida, USA  800-453-2983 or undersea@ga*.ne*
>
>
>

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