PPRuNe Forums - View Single Post - Quick question on altimetry errors

17th September 2016 | 19:16

#3 (permalink)

gfunc

Joined: Mar 2007

Posts: 177

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From: EGNM

A 1 C temperature deviation from ISA changes density altitude by 120ft, a 1 hPa pressure deviation changes it by 30ft. Since they don't have the same units (comparing apples to oranges), as Alex says: it depends.

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