Piper PA-28 Archer III — Normal Procedures

This document is an Airplane Flight Manual Supplement (AFMS) for the Garmin GFC 500 Autopilot system installed in various models of the Piper PA-28 series, including the PA-28 Archer III. It provides essential information regarding the operation, limitations, and emergency procedures associated with the GFC 500 autopilot. The manual is intended for pilots operating these aircraft with the GFC 500 system installed, ensuring they understand the autopilot's functionalities and how to respond in various situations. The AFMS includes detailed sections on normal procedures, emergency procedures, and performance data, making it a critical resource for safe flight operations.

• The GFC 500 autopilot is approved for Category 1 precision and non-precision approaches.
• Autopilot engagement speed must be between 65 KIAS (75 MPH) and 140 KIAS (160 MPH).
• The autopilot must be disengaged below 200 feet AGL during approach operations.
• In case of autopilot malfunction, maintain control and pull the autopilot circuit breaker if necessary.
• The GFC 500 must pass a preflight test before use.