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S-Tec System Forty Autopilot (Roll Only)

S-Tec System Forty Autopilot (Roll Only)

Brand: Genesys Aerosystems (formerly S-Tec / Cobham)

Product Code: System-40
Availability: Not For Web Sales

Available Options

* Directional Gyro:

S-Tec System Forty Autopilot (Roll Only)


The System 40 is a single-axis roll stabilization autopilot which includes heading pre-select, turn command (which will give up to 90% standard rate turn), VOR / LOC tracking, back course tracking, and a gain enhancement feature for tracking GPS & LORAN analog left / right deviation signals. ST-901 GPSS converter is optional. A compatible DG or HSI is required for the heading pre-select function or when adding the optional ST-901 GPSS converter. Building block concept allows upgrading to a System 50 or a full two-axis System FiftyFiveX autopilot.


  • Wing Level mode
  • Heading Hold mode (with optional autopilot compatible D.G. or HSI)
  • NAV/GPS mode
  • GPSS Steering available with optional adaptor
  • Upgrade to Alt Hold (system 50 or 55X) available

The price above is for most aircraft, some models are more expensive.  Please contact us to discuss your aircraft.

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File Name Size
S-Tec Auto Pilot Book 703.2KiB
S-Tec Autopilot Selection Data Sheet 676.43KiB
S-Tec System 40/50 Data Sheet 518.72KiB
Tags: Autopilot
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