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Old April 6th 07, 12:40 PM posted to rec.aviation.piloting
Steven P. McNicoll
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Posts: 1,477
Default Altimeter Calibration Height


"Matt Whiting" wrote in message
...
Steven P. McNicoll wrote:
"Matt Whiting" wrote in message
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Right and the altitude indicated has little to do with the altitude of
the instrument.


Right. That's why changing the altitude of the instrument, as is done by
climbing or descending, has so little effect on the indicated altitude.


I can just as easily change the Kollsman setting and change the indicated
altitude without changing the altitude of the instrument at all. Or I can
wait for the ambient pressure to change and watch the indicated altitude
change without moving the instrument. Thus the instrument doesn't
indicate the altitude of itself, it indicates the pressure it is
experiencing.


Do you have a webcam? I'd like to see you typing with your foot in your
mouth.