# SFENA

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**Société française d'équipements pour la navigation aérienne** or **SFENA** was a former French [avionics](/source/Avionics) company.

## History

It was founded in 1947. It was disbanded in 1989. It made the flight control system (AFCS) for [Concorde](/source/Concorde), as well as its artificial horizon and horizontal situation indicator (HSI), and automatic throttle system (ATS).[1]

### Ownership

It was merged with [Crouzet](/source/Crouzet_Automatismes) in 1981,[2] when Crouzet took its ownership from 35% to 85%.

## Structure

It was headquartered at [Neuilly-sur-Seine](/source/Neuilly-sur-Seine) in [Hauts-de-Seine](/source/Hauts-de-Seine) ([Île-de-France](/source/%C3%8Ele-de-France) region) until 1970 when it moved to [Vélizy-Villacoublay](/source/V%C3%A9lizy-Villacoublay) in a technical research centre near [Vélizy – Villacoublay Air Base](/source/V%C3%A9lizy_%E2%80%93_Villacoublay_Air_Base).

## Products

It made guidance systems for aircraft[3] including:

- Artificial horizons ([attitude indicators](/source/Attitude_indicator) or ADI)
- [Horizontal situation indicators](/source/Horizontal_situation_indicator) (HSI)
- [Autopilots](/source/Autopilot)
- [Flight controls](/source/Aircraft_flight_control_system) (AFCS)
- Sensors

## See also

- [Smiths Industries](/source/Smiths_Group), similar British company

## References

1. ["First Concorde Supersonic Transport Flies"](http://aviationweek.com/site-files/aviationweek.com/files/uploads/2015/02/1969-%20First%20Concorde%20Flight%20%281%20of%202%29.pdf). *Aviation Week & Space Technology*. 1969-03-17. Retrieved 2017-12-13.

1. ["Sfena/Crouzet merger a reality"](https://www.flightglobal.com/FlightPDFArchive/1981/1981%20-%201548.PDF). *Flight International*. 1981-05-23. Retrieved 2017-12-13.

1. ["FRENCH EQUIPMENT INDUSTRY – Sfena and A320"](https://www.flightglobal.com/FlightPDFArchive/1986/1986%20-%201601.PDF). *Flight International*. 1986-07-12. Retrieved 2017-12-13.

## External links

- [Who built Concorde](https://www.heritageconcorde.com/who-built-concorde?page_id=418)

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Adapted from the Wikipedia article [SFENA](https://en.wikipedia.org/wiki/SFENA) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/SFENA?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.