# Aircraft Performance Source Data

**URL:** <https://forum.navigraph.com/t/aircraft-performance-source-data/16853>\
**Category:** Aircraft Profiles\
**Created:** [September 5, 2024, 4:24pm UTC](https://forum.navigraph.com/t/aircraft-performance-source-data/16853 "2024-09-05T16:24:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![AerialMaintenance908](https://avatars.discourse-cdn.com/v4/letter/a/cdc98d/32.png) [@AerialMaintenance908](https://forum.navigraph.com/u/AerialMaintenance908)\
**Post date:** [September 5, 2024, 4:24pm UTC](https://forum.navigraph.com/t/aircraft-performance-source-data/16853/1 "2024-09-05T16:24:29Z")

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Is it possible to access the underlying performance models used to calculate fuel flow, take off performance etc - such that custom models can be created on a sound theoretical basis?