S-tec 55x Installation Manual Updated Jun 2026

Usually installed in the aft fuselage, linking directly to the elevator push-pull rod or bellcrank.

Provides high-level service information and System Interconnect Drawings for the 55/55X series. Typical Installation Components

Ensure zero flexing under maximum servo torque loads to prevent control system hysteresis. Capstan and Cable Rigging S-tec 55x Installation Manual

Before any physical work begins on the aircraft, the installing technician must verify the Supplemental Type Certificate (STC) availability for the specific aircraft make and model. S-TEC autopilots are certificated under a approved model list (AML) STC framework.

Designed for aircraft such as the Cessna 172/182/210, Piper PA-28/PA-32, Beechcraft Bonanza, and many other high-performance singles and light twins, the manual ensures that the autopilot is installed in compliance with applicable airworthiness regulations (e.g., 14 CFR Part 43, AC 43.13-1B/2B). Usually installed in the aft fuselage, linking directly

: Receives signals from the Absolute Pressure Transducer, Accelerometer, and Glideslope Deviation Indicator. Key Features

The S-tec 55x is a highly advanced autopilot system designed for use in a variety of aircraft. As with any complex piece of equipment, proper installation is crucial to ensure safe and reliable operation. In this article, we will provide a detailed overview of the S-tec 55x installation manual, highlighting key steps, considerations, and best practices for a successful installation. Capstan and Cable Rigging Before any physical work

Wire the standard Left/Right and Up/Down deviation signals along with Nav Warning flags from your VOR/LOC receiver for ILS approaches. 5. Post-Installation Ground Setup and Calibration

Following installation, a comprehensive functional check must be performed, often referencing :

: Roll, Pitch, and optional Trim servos secured via aluminum brackets. Absolute Pressure Transducer for altitude data and an Accelerometer.

S-TEC 55X INSTALLATION MANUAL: THE ULTIMATE GUIDE FOR AVIONICS TECHNICIANS AND OWNERS