S-tec 55x Installation Manual -

Always refer to the specific, revision-controlled installation manual provided with the specific Supplemental Type Certificate (STC) for your aircraft model.

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

Mechanical failures represent the highest risk factor in autopilot retrofits. Rigid brackets and precise cable bridging are mandatory. Bracket Fabrication and Mounting S-tec 55x Installation Manual

Installing a used 55X unit often requires a "re-kit" or new STC package from Genesys. Users have noted that by the time you pay for the STC, documentation, and possible factory recertification, the cost can approach that of a brand-new system.

The programmer and all servos must be grounded to a central avionics ground bus. Poor grounding is the number one cause of "autopilot jitter" or uncommanded disconnects. Pinout and Interconnect Basics Wiring and Harnessing Poor wiring is the #1

October 26, 2023 Prepared For: Engineering/Maintenance Review Board

Connect the 55X to the GPS navigator (e.g., Garmin 430/530) to enable GPS Steering (GPSS) and navigation tracking. 4. Post-Installation Testing (Mandatory) Bracket Fabrication and Mounting Installing a used 55X

During the initial test flight in calm air, the technician or test pilot will evaluate:

Upon completion of the physical and electrical installation, ground and flight testing are required to verify the STC conditions are met.