The servos are the mechanical interface between the autopilot and the aircraft flight controls.
Press the Autopilot Disconnect (AP DISC) switch on the pilot’s control yoke. Verify the system immediately disengages and returns the flight controls to full manual operation. 6. Troubleshooting Common Installation Errors Probable Cause Corrective Action Autopilot weaves or hunts in HDG mode Low bridle cable tension or faulty gyro signal
A key part of the initial setup is ensuring the autopilot is correctly configured to interface with the aircraft's heading system, typically as a KCS-55-compatible unit for DC heading systems. After confirming this in the configuration, an inflight checkout in smooth air is necessary. The technician will engage the autopilot in HDG and ALT modes, then use the PFD’s system setup mode to access the calibration page. From there, they can select "Perform A/P Cal" and then "Sync HDG" to align the autopilot's heading reference with the PFD’s heading bug. S-tec 55x Installation Manual
An autopilot installation cannot proceed using generic instructions. Technicians must secure the exact documentation corresponding to the specific aircraft make and model.
Receives the analog left/right tilt signal that drives the roll axis. The servos are the mechanical interface between the
During the installation process, there are several key considerations to keep in mind:
Perform a standard pitot-static leak test after plumbing the transducer. The technician will engage the autopilot in HDG
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.