ISA Forecast
ISA Deviation Calculator
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Archived App (Last seen on 14 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Calculate the ISA Deviation with this simple APP
The ISA Forecast allows to you, to calculate the ISA Deviation with a simple way!
The International Standard Atmosphere (ISA) is a static atmospheric model of how the pressure, temperature, density, and viscosity of the Earth's atmosphere change over a wide range of altitudes or elevations.
Just slide the parameters from up to down, and you will se the ISA Deviation value at the moment
Designed for Airports Elevation's between 0 feets and 8400 feets
For training purpose only.
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What's New in ISA Forecast
2.34
November 29, 2022
New bundle version for IOS 16
