PPRuNe Forums - View Single Post - Upper airway vs. airway
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Old 15th May 2011, 23:44
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parabellum
Nemo Me Impune Lacessit
 
Join Date: Jun 2004
Location: Derbyshire, England.
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Jeppesen issue specifically named High Level and Low Level charts.

I think Superpilot is close to the money, slow and/or unpressurised a/c in the lower levels. An ATCer will arrive shortly and put us all straight!
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