From: RWolf99@aol.com
Message-ID: <57.67e8f9b.299aea19@aol.com>
Date: Tue, 12 Feb 2002 16:58:49 EST
Subject: Re: levels of oxygen
To: lancair.list@olsusa.com
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In a message dated 2/11/2002 11:18:35 PM Mountain Standard Time, Ted Noel 
writes:

<< Gearge Braly points out that many people fly safely at SaO2's of 87%. While
 this may be true, we must ask whether it is desirable. >>

I defer to Ted's obvious qualifications in this area.  Two personal 
observations, however.

1)  While climbing Mt. McKinley with 12 other people ten years ago -- most of 
us in our thirties -- we ascended at an average of 1000 feet per day so that 
we could acclimatize.  There was a Forest Service encampment at 14200 feet, 
which we reached after 7 days on the mountain.  We all stuck our fingers in 
the pulse oximeter and were amused to see that we were all around 87% - 89%.  
We were strong, we continued to climb for another two weeks at even higher 
altitudes, and thought nothing of it.

2)  While flying back from Oshkosh two years ago in a friend's unpressurized 
Bonanza at about 10000 feet I felt tired and not entirely alert.  This 
improved when we descended.  I have no idea what my O2 sat was, but I knew it 
wasn't a good situation.  Plus, it was daylight, not night.

I'm planning on supplemental oxygen above 10,000 feet, using the Mountain 
High system.  Amazing how a few years changes things.  Maybe the folks whe 
insist on reminding me that I'm not in my twenties anymore are on to 
something..... Nahhh!

I keep hoping for a huge discount at one of the shows, but haven't seen it 
yet....

- Rob Wolf
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