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Jim, this is one of the dumbest things I have ever seen from a dive
"instructor" and boat captain. This kind of dangerous nonsense and short
sighted thinking is why you find yourself in the situation you are in
now.
Nobody should plan gas for a dive that is other than for the deepest
depth that can be hit on the dive. There is not only zero benefit from
diving a hot nitrox for this dive, there are endless risks. What if
there is a problem and one has to go to or ends up at the bottom , or
inside the hold of the ship at 1.8 partial pressure of oxygen?
Only the worst idiot would recommend something like this, and right now
you are filling those shoes. You have no business recommending dangerous
practices like this.
-------
From: "Ocean Diving Inc." <divetek@oc*.co*>
Subject: RE: Deep air dive...JUST SAY NO!
Date: Mon, 14 Sep 1998 10:07:58 -0400
The Hydro Atlantic can be compared to a wall dive depending on how it is
dove. You can stay well within recreational limits, both time and depth,
by
exploring the upper superstructures from 115'-130'. EAN30 is a good
choice
for disciplined divers that can avoid diving beyond a specific depth.
Since
the dive is beyond 80' it should be treated as a deep dive. Recreational
divers should use the rule of thirds on gas management. IANTD has
guidelines
for proper equipment selection and redundant gas delivery for dealing
with
unlikely emergencies. As on wall dives, you can hover above the railings
on
this giant ship and look down at a beautiful, red gorgonian smothered
steel
wall that drops below another 45' or more depending on where you happen
to
be looking from.
If the current is strong we drift dive it for 10 minutes at 120'
and swim
with giant schools of amber jack and an occasional spotted eagle ray.
For a
second dive we go due west 2000' to a natural reef ledge off Boca Raton
Inlet and dive EAN36 - 40 at 60' and make the run worthwhile. There's
some
good hunting in this area and the seafood we porpoise on when get back
just
doesn't get any fresher. Enjoy. If you are not properly trained to dive
beyond 80' you are risking more than your life when attempting to do so.
You
are a danger to all involved.
Semper Deep,
Capt. Jim
--
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