S-tec 55x Installation Manual -

The 55X is highly adaptable and can interface with both legacy analog gauges and modern digital glass cockpits:

Route the main autopilot harness, ensuring separation from radios and high-power cables to prevent interference. S-tec 55x Installation Manual

The core components of a typical System 55X include: The 55X is highly adaptable and can interface

Every installation must begin by cross-referencing the aircraft’s serial number with the S-TEC AML. The installation manual explicitly states that the installer must possess the specific STC data package for that exact airframe. This package dictates: The exact part numbers allowed for the servos and brackets. S-tec 55x Installation Manual