S-tec 55x Installation Manual 【Must See】

Use the correct tension specified in the S-TEC airframe-specific kit.

Verify your specific aircraft tail number is on the Approved Model List (AML).

Final tuning must be done in the air. This involves setting the levels to ensure the aircraft doesn't "hunt" (oscillate) during altitude hold or navigation tracking. S-tec 55x Installation Manual

Inspect pins to ensure they are intact and the correct grade. 3. Wiring and Harnessing Poor wiring is the #1 cause of autopilot failure.

If you are integrating it with (like Garmin G5 or GI 275). Use the correct tension specified in the S-TEC

Keep high-current wires away from the magnetic compass or AHRS units. 4. Pitot-Static Integration

Check for the programmer/computer, pitch and roll servos, and pressure transducer. This involves setting the levels to ensure the

Ensure "Left Turn" on the autopilot moves the yoke/stick left.

The System 55X is a complete flight control system. It integrates with your aircraft’s existing avionics to provide: and Vertical Speed control. Heading Preselect (when paired with a compatible HSI). GPSS Steering (Global Positioning System Steering). Glideslope Capture and tracking. 📋 Pre-Installation Checklist