Some external tools you might want to checkout and use with this Model.
NOTE: These are external tools so make sure to check their terms of use
* [Trim Calculator (for FSLabs, but will work for us)](https://forums.flightsimlabs.com/index.php?/files/file/675-a320x-trim-calculation-tool/)
* [Take off performance calculator (excel)](https://forums.flightsimlabs.com/index.php?/files/file/763-a320-takeoff-and-landing-performance-calculator/)
* [Take off performance calculator (.exe -- different to above) ](http://www.avsimrus.com/f/for-pilots-19/popular-calculator-to-calculate-takeoff-parameters-in-from-airbus-type-36340.html)
* [Take off performance calculator (online)](http://wabpro.cz/A320/)
* [Air Berlin Norm. Checklist](https://forums.flightsimlabs.com/index.php?/files/file/778-airberlin-normal-procedures-checklist/)