PPRuNe Forums - View Single Post - where does "QNH" come from?
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Old 8th Aug 2001, 04:02
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Nick Figaretto
 
Join Date: Apr 2001
Location: Norway
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Akro: I fly Turbo-Prop, in Europe and we often fly pretty long sectors below FL180. (Especially when there's strong headwind.) Wouldn't you have to change QNH "all the time" to make sure you have the same reference as other traffic if the TA is 18 000 ft?

Nick.
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