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Société française d'équipements pour la navigation aérienne or SFENA was a former French avionics company.
It was founded in 1947. It was disbanded in 1989. It made the flight control system (AFCS) for Concorde, as well as its artificial horizon and horizontal situation indicator (HSI), and automatic throttle system (ATS).
It made guidance systems for aircraft including:
- Artificial horizons (attitude indicators or ADI)
- Horizontal situation indicators (HSI)
- Flight controls (AFCS)
- Smiths Industries, similar British company
- "First Concorde Supersonic Transport Flies" (PDF). Aviation Week & Space Technology. 1969-03-17. Retrieved 2017-12-13.
- "Sfena/Crouzet merger a reality" (PDF). Flight International: 1546. 1981-05-23. Retrieved 2017-12-13.
- "FRENCH EQUIPMENT INDUSTRY – Sfena and A320" (PDF). Flight International. 1986-07-12. Retrieved 2017-12-13.