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pyEFIS is an open-source EFIS for Experimental / Amateur-Built aircraft. It draws the flight, navigation and engine instruments on a touchscreen, from live data supplied by FIX-Gateway.
pyEFIS is experimental software. It is not certified. It is provided as-is with no warranty, and any use of it is at your own risk.
Do not use pyEFIS as the sole source of attitude information in instrument meteorological conditions. Fly with independent standby attitude, airspeed and altitude instruments: ones that share no sensor, computer, software, power source or display with pyEFIS.
You meet the system in this order:
- The configurator, pyefis.aerocommons.org. You design your panel there (screens, instruments, their options) and enter your aircraft's numbers (V-speeds, gauge bands). The device pulls the panel.
-
The navdata service, navdata.aerocommons.org.
It publishes signed data packs: airports, navaids, airways, procedures,
obstacles, terrain, water, roads. The
pyefis-dataupdater on the device keeps them current. - The device. FIX-Gateway collects data from sensors, radios, GPS or a simulator, and computes navigation. pyEFIS draws the screens.
How the System Fits Together shows how the parts connect.
| If you want to... | Read |
|---|---|
| Understand how the configurator, the navdata service and the device connect | How the System Fits Together |
| Install the software and bring a device up | Setting Up a Device |
| Lay out your panel and enter your aircraft's numbers | Designing Your Panel |
| Operate the display in the cockpit | The Panel at a Glance, then a page per instrument: Attitude and Synthetic Vision, Airspeed, Altitude and Vertical Speed, The HSI, Moving Map, Flight Plan, Engine Monitoring |
| Keep the navigation data current | Data Status, Updates and Notices |
| Edit screens and preferences by hand | Customizing Beyond the Configurator |
| Look up an instrument and its options | Widget Reference |
| Look up the data keys pyEFIS reads and writes | FIX Database Keys |
| Run pyEFIS from a source checkout on a desktop | Running from Source |
| See the original stock screens, which still ship | Legacy |
This wiki is the system manual. Two companion wikis go deeper on their parts:
- makerplane-data wiki: how the configurator works inside, the aircraft parameter profile, and how data packs are built, signed, published and verified.
- fix-gateway wiki: the FIX database, its configuration, and every plugin (CAN-FIX, GPS, simulators, the flight-plan engine).
The pages live in the pyEFIS repository under docs/wiki/, and their images
under docs/images/. A merge to dev publishes them to this wiki
automatically. Do not edit pages in the GitHub wiki UI: the next publish
overwrites them. Change docs/wiki/ by pull request instead.