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Title: Western Europe and sudden altitude changes?
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TheDude71
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#2
11-06-2009, 12:56 AM
I'll take a stap at this.

Yes. This happens to me also. I believe this differnce of a couple hundred feet is due to air pressure difference. All aircraft above FL180 have altimeters set to 29.92. So any aircraft in your area will be effected by the same difference in airpressure. Meaning you will be at the same altitude.

Some easy reading. http://www.madsci.org/posts/archives/au ... .Ph.r.html

Hope this answered your question.
 
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