Installed in the tail or fuselage section to control the elevators.
Installed in the aft fuselage to control the elevators. S-tec 55x Installation Manual
Engage the Heading (HDQ) mode. Turn the HSI or heading bug to the left; verify the control yoke smoothly moves to the left. Turn it to the right; verify the yoke moves right. Installed in the tail or fuselage section to
The S-TEC 55X is a high-performance, two-axis (roll and pitch) analog autopilot known for reducing pilot workload in Instrument Meteorological Conditions (IMC) through all phases of flight—from departure to final approach. Available in both 2-axis and (on select airframes) 3-axis configurations with optional yaw damping, it is compatible with a wide range of cockpits, from traditional "six-pack" steam gauges to advanced glass EFIS displays. With hundreds of STCs available, it is a popular upgrade for many light singles and piston twins. Turn the HSI or heading bug to the
The Ultimate Guide to the S-TEC 55X Installation Manual: Requirements, Wiring, and STC Compliance
Evolution Pro PFD and the Genesys (S-TEC) System 55x autopilot