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Asked by: hazoom915
when pressure correction must be apply for instrument approach and why?
Wes Beard on Dec 11, 2013
Remember the saying: “From high to low, look out below”. Anytime you are flying in non-standard pressure or non-standard temperature a correction should be made.
The pressure correction is easy as the altimeter setting will correct for it. As you get further from that station, the temperature difference is compounded.
This article will explain it more: http://allaboutairplanes.wordpress.com/2011/08/20/effects-of-temperature-on-glideslope/
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