S-tec 55x Installation Manual ((better)) Jun 2026

The S-tec 55x autopilot system is a popular choice among aircraft owners and operators due to its advanced features, reliability, and ease of use. The system is designed to provide precise control of the aircraft's flight control surfaces, allowing pilots to focus on other aspects of flying. However, to realize the full benefits of the S-tec 55x, it must be installed correctly.

: Includes GPS Roll Steering (GPSS), Vertical Speed control, and precision approach capability (LPV, LNAV/VNAV). 2. Mandatory Installation Requirements Installation of the S-TEC 55X is governed by a Supplemental Type Certificate (STC) specific to the aircraft serial number. Certification : Installation should only be performed by FAA-certified S-TEC Dealers S-tec 55x Installation Manual