S-tec 55x Installation - Manual
Engage HDG mode, turn the heading bug right, and verify the control yoke turns smoothly to the right without catching or reversing. 6. Flight Testing and Calibration
Typically installed in the aft fuselage near the elevator bellcrank.
Ensuring the "Trim Up/Down" lights function correctly. Conclusion
S-TEC uses DC-motor electric servos (commonly the 01170/01180 series) to manipulate the control cables.
The 55X is popular because of its flexible interface capabilities. The installation manual details wiring schematics for connecting external navigators. S-tec 55x Installation Manual
Always ensure you are using the latest revision of the manual from Genesys Aerosystems (the parent company of S-TEC) to account for any recent service bulletins or hardware updates.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
Turn on the avionics master. The S-TEC 55X should run through a brief internal diagnostic self-test, illuminating all display segments.
Usually installed in the aft fuselage, linking directly to the elevator push-pull rod or bellcrank. Engage HDG mode, turn the heading bug right,
The most critical section of the Installation Manual concerns the mechanical connection to the aircraft flight controls.
The installation manual provides precise instructions regarding the physical placement, leveling, and mechanical bonding of the system's core components. Programmer/Computer (Model ST-901)
Before the aircraft can be cleared for flight, a mandatory ground test procedure must be performed and documented in the aircraft maintenance logs.
The S-TEC 55X is a 2-axis, rate-based autopilot requiring specialized installation by authorized dealers, with documentation, such as the 42-page installation service instruction, typically provided upon system purchase. Installation requires specific STCs, careful component mounting, and extensive ground/flight testing, including self-tests and control checkouts. For product details, visit Genesys Aerosystems Genesys Aerosystems S-TEC 55X | Genesys Aerosystems | Mineral Wells, TX Ensuring the "Trim Up/Down" lights function correctly
The S-TEC 55X is designed to interface with various navigation sources:
: A signed FAA Form 337 (Major Repair and Alteration) is mandatory for return-to-service in the United States. Installer Qualifications
Ensure at least 1 inch of clearance behind the unit for wire harness routing. 2. Servo Installation The servos are the muscles of the system.
The S-tec 55x Installation Manual is a detailed guide that covers the installation, setup, and configuration of the autopilot system. The manual is organized into several sections, including:
Measures changes in static pressure to provide accurate altitude hold and vertical speed functions. Pre-Installation Requirements and STC Compliance
This report is generated for informational and educational purposes only. It is based on the standard operational procedures and installation guidelines generally found in S-TEC System 55X documentation. It does not supersede the official Federal Aviation Administration (FAA) Approved Flight Manual Supplement (AFMS) or the specific installation manual relevant to a specific aircraft serial number. All maintenance and installation must be performed by certified personnel under appropriate regulatory approvals.
