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Fly above 8000 ft ?
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T.gummo(at)verizon.net
Guest

Posted: Wed Sep 17, 2008 7:12 pm Post subject: Fly above 8000 ft ?

 	  Quote: 	
		   You can, and I feel should, avail yourself of the altitude chamber 

 training that the FAA provides.



 http://www.faa.gov/pilots/training/airman_education/aerospace_physiology/


	




What a great idea.



As an ex-military pilot, I had to go to this training every three years.



One of the things they would do, have you take off your mask at 8000 feet 

(best I can remember) and they would reduce the lighting a little and after 

a couple of minutes, they would have you put your mask back on and you would 

think that they turned the lights back on.  You could see OK but with oxygen 

you could tell the difference.  You can see better and think better with 

oxygen!  PERIOD.



Feeling OK is not a good indicator that everything is OK.



Worst case, at 25,000 or so, you have to take off your mask, so that you can 

experience your hypoxia symptoms.  I hate making a fool of myself so I very 

quickly put my mask back on and lied about my symptoms (my feet did get 

cold).  Someone would always try to be macho and show how long they could 

function (we would be required to do a simple task - like just write your 

name.).    After a very minutes, the instructor would ask how he/she was 

doing and lots of times the response would just be a smile.  Then the 

instructor would say, you are going to die if you don't put your mask on. 

More smiles,  Sitting there and kept writing their name.  Soon the 

instructor would insist that they put on their mask.  More smiles.  Finally, 

the instructor would just put the mask on their face and allow a couple of 

gulps of 100% oxygen.



You could see the LIGHT come on in their eyes.  When asked why they didn't 

put their mask on.  They would say something like, "I didn't feel bad or I 

thought I was doing OK"

They would pass around the paper he/she was writing on and you could see 

that they were NOT OK.  The first several signatures would look OK but soon 

all they were doing was junk.  They were not functioning besides not 

thinking clearly.



The only difference between flying at 12,000 and 25,000 without oxygen is 

TIME.  The longer you are at 12,000 the closer your thinking and functions 

looks like you are at 25,000.  Of course, there are a million factors which 

speed or slow your personal progress.



Your mileage may vary.



Tom "GummiBear" Gummo

Wild Weasel #1573

USAF Major Retired

http://mysite.verizon.net/t.gummo/index.html



Apple Valley, CA

Harmon Rocket-II



do not archive

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sportav8r(at)gmail.com
Guest

Posted: Thu Sep 18, 2008 5:27 am Post subject: Fly above 8000 ft ?

Hope this thread increases sales (and use) of pulse ox units; they're certainly not perfect, but they are far superior to doing without them.



Fly safe!



Bill B.



 On Wed, Sep 17, 2008 at 11:11 PM, Tom Gummo <T.gummo(at)verizon.net (T.gummo(at)verizon.net)> wrote:

[quote] --> RV-List message posted by: "Tom Gummo" <T.gummo(at)verizon.net (T.gummo(at)verizon.net)>

 

  	  Quote: 	
		   You can, and I feel should, avail yourself of the altitude chamber training that the FAA provides.

 

 http://www.faa.gov/pilots/training/airman_education/aerospace_physiology/

 	
 

 



 What a great idea.

 

 As an ex-military pilot, I had to go to this training every three years.

 

 One of the things they would do, have you take off your mask at 8000 feet (best I can remember) and they would reduce the lighting a little and after a couple of minutes, they would have you put your mask back on and you would think that they turned the lights back on.  You could see OK but with oxygen you could tell the difference.  You can see better and think better with oxygen!  PERIOD.

  

 Feeling OK is not a good indicator that everything is OK.

 

 Worst case, at 25,000 or so, you have to take off your mask, so that you can experience your hypoxia symptoms.  I hate making a fool of myself so I very quickly put my mask back on and lied about my symptoms (my feet did get cold).  Someone would always try to be macho and show how long they could function (we would be required to do a simple task - like just write your name.).    After a very minutes, the instructor would ask how he/she was doing and lots of times the response would just be a smile.  Then the instructor would say, you are going to die if you don't put your mask on. More smiles,  Sitting there and kept writing their name.  Soon the instructor would insist that they put on their mask.  More smiles.  Finally, the instructor would just put the mask on their face and allow a couple of gulps of 100% oxygen.

  

 You could see the LIGHT come on in their eyes.  When asked why they didn't put their mask on.  They would say something like, "I didn't feel bad or I thought I was doing OK"

 They would pass around the paper he/she was writing on and you could see that they were NOT OK.  The first several signatures would look OK but soon all they were doing was junk.  They were not functioning besides not thinking clearly.

  

 The only difference between flying at 12,000 and 25,000 without oxygen is TIME.  The longer you are at 12,000 the closer your thinking and functions looks like you are at 25,000.  Of course, there are a million factors which speed or slow your personal progress.

  

 Your mileage may vary.

 

 Tom "GummiBear" Gummo

 Wild Weasel #1573

 USAF Major Retired

 http://mysite.verizon.net/t.gummo/index.html

 

 Apple Valley, CA

 Harmon Rocket-II

 

 do not archive



 

 

 

 

 

 

 



[b]

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rvreynolds(at)macs.net
Guest

Posted: Thu Sep 18, 2008 5:27 am Post subject: Fly above 8000 ft ?

I do not remember were I heard it or read it.



The 12,500 ft rule was established in the late 30' using young,  

physical fit, healthy flyers.



Most of us have passed the young and physically fit criteria.



I am a flat lander, elevation 14 ft, and use O2 above 8000 ft and  

above 5000 ft at night.



Richard Reynolds

Norfolk, VA

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