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In general aviation singles, light twins, and turboprops, S-TEC's rate based autopilot systems have a number of significant advantages over attitude based systems. You can expect safety, reliability, and performance whenever your autopilot is engage. S-TEC also believes in a building block philosophy which allows installation of an autopilot today as a foundation, and upgrading to a system with more features and functions at a later date. All S-TEC autopilot systems use common hardware, servos, and sensors throughout the product line which offers you significant advantages in serviceability, reliability, and overall cost. A multitude of autopilots are available from a simple altitude hold only to a full two axis autopilot with glide slope capture, vertical speed control, and dual mode intercept.

Manufacturer does not allow mail-order sales of Autopilots/Flight guidance systems to owners of Certified Aircraft. S-Tec Autopilots must be installed by an authorized S-Tec dealer, unless installed in a home-built aircraft. Avionics installations require special knowledge, skills, test equipment and tools. Call our Avionics Sales Staff for an installed price.

Prices are for basic units

System 50

Part No.DescriptionPrice
ST SYS 50 Autopilot System 50, S-Tec CALL For Price
Call 1-800-447-3408 for Ordering and Installation Pricing

The SYSTEM 50 Autopilot provides all of the features of System 40, but with the additional feature of altitude hold. The system Programmer/Annunciator/Computer unit utilizes the same roll axis circuitry as System 40, plus an accelerometer for short-term pitch axis stabilization, and automatic interruption of altitude hold in severe turbulence. Pitch axis signal inputs are derived from a reliable solid state absolute pressure transducer and the accelerometer, not the artificial horizon gyro. This provides precise, instantaneous altitude and pitch control data and is independent of the aircraft vacuum system.

SYSTEM 50 consists of the Programmer/Computer, Turn Coordinator, Roll and Pitch Servos, and Absolute Pressure Transducer. Includes mounting hardware and harness. Optional Directional Gyro priced separately. System 50 is available for 13.75 or 27.5 Vdc operation. FAA TSO approved.

  • Additional Labor Neccessary to Remove Existing Autopilot System
  • Heading System Not Included
  • Add GPSS $2075.00 Installed

* Install Price May Vary By Aircraft