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Thread: Regional Pressure Setting (RPS) or Regional QNH - do we need it? Do you use it?
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Old 16th Feb 2009, 22:18
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usedtofly
 
Join Date: Jul 2006
Location: UK
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I fly in the North of Scotland where the pressure can change by up to 20 mb in one flight over 200 miles. So depending on which way the pressure change is, the regional QNH is VITAL

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