SFENA

Société française d'équipements pour la navigation aérienne or SFENA was a former French avionics company.

History

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).^[1]

Ownership

It was merged with Crouzet in 1981,^[2] when Crouzet took its ownership from 35% to 85%.

Structure

It was headquartered at Neuilly-sur-Seine in Hauts-de-Seine (Île-de-France region) until 1970 when it moved to Vélizy-Villacoublay in a technical research centre near Vélizy – Villacoublay Air Base.

Products

It made guidance systems for aircraft^[3] including:

Artificial horizons (attitude indicators or ADI)
Horizontal situation indicators (HSI)
Autopilots
Flight controls (AFCS)
Sensors

References

↑ "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.

External links

Who built Concorde

[aviationweek-1] "First Concorde Supersonic Transport Flies" (PDF). Aviation Week & Space Technology. 1969-03-17. Retrieved 2017-12-13.

[flightglobal-2] "Sfena/Crouzet merger a reality" (PDF). Flight International: 1546. 1981-05-23. Retrieved 2017-12-13.

[flightglobal2-3] "FRENCH EQUIPMENT INDUSTRY – Sfena and A320" (PDF). Flight International. 1986-07-12. Retrieved 2017-12-13.

[1]

[2]

[3]

v t e Aircraft components and systems
Airframe structure	Aft pressure bulkhead Cabane strut Canopy Crack arrestor Cruciform tail Dope Empennage Fabric covering Fairing Flying wires Former Fuselage Hardpoint Interplane strut Jury strut Leading edge Lift strut Longeron Nacelle Rib Spar Stabilizer Stressed skin Strut T-tail Tailplane Trailing edge Triple tail Twin tail V-tail Vertical stabilizer Wing root Wing tip Wingbox
Flight controls	Aileron Airbrake Artificial feel Autopilot Canard Centre stick Deceleron Dive brake Dual control Electro-hydraulic actuator Elevator Elevon Flaperon Flight control modes Fly-by-wire Gust lock HOTAS Rudder Rudder pedals Servo tab Side-stick Spoiler Spoileron Stabilator Stick pusher Stick shaker Trim tab Wing warping Yaw damper Yoke
Aerodynamic and high-lift devices	Active Aeroelastic Wing Adaptive compliant wing Anti-shock body Blown flap Channel wing Dog-tooth Drag-reducing aerospike Flap Gouge flap Gurney flap Krueger flap Leading-edge cuff Leading-edge droop flap LEX Slats Slot Stall strips Strake Variable-sweep wing Vortex generator Vortilon Wing fence Winglet
Avionic and flight instrument systems	ACAS Air data boom Air data computer Aircraft periscope Airspeed indicator Altimeter Annunciator panel Astrodome Attitude indicator Compass Course deviation indicator EFIS EICAS Flight management system Glass cockpit GPS Head-up display Heading indicator Horizontal situation indicator INS ISIS Multi-function display Pitot–static system Radar altimeter TCAS Transponder Turn and slip indicator Variometer Yaw string
Propulsion controls, devices and fuel systems	Autothrottle Drop tank FADEC Fuel tank Gascolator Inlet cone Intake ramp NACA cowling NACA duct Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing
Landing and arresting gear	Aircraft tire Arrestor hook Autobrake Conventional landing gear Drogue parachute Landing gear Landing gear extender Oleo strut Tricycle landing gear Tundra tire
Escape systems	Ejection seat Escape crew capsule
Other systems	Aircraft lavatory Auxiliary power unit Bleed air system Deicing boot Emergency oxygen system Environmental control system Flight recorder Hydraulic system Ice protection system In-flight entertainment system Landing lights Navigation light Passenger service unit Ram air turbine

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