Section 7 Automatic Flight Control System; Afcs Overview - Garmin G1000 NXi Pilot's Manual

SECTION 7 AUTOMATIC FLIGHT CONTROL SYSTEM

7.1 AFCS OVERVIEW

The approved Pilot's Operating Handbook (POH).
NOTE:
The Garmin AFCS is a digital Automatic Flight Control System (AFCS), fully integrated within the system
avionics architecture. The System Overview section provides a block diagram to support this system description.
The Garmin AFCS can be divided into these main operating functions:
• Flight Director (FD) — Flight director operation takes place within the primary (#1) GIA 63W. Flight
director commands are displayed on the PFD. The flight director provides:
The flight director provides:
– Command Bars showing pitch/roll guidance
– Vertical/lateral mode selection and processing
– Autopilot communication
• Autopilot (AP) — Autopilot operation occurs within the pitch, roll, and pitch trim servos. It also provides
servo monitoring and automatic flight control in response to flight director steering commands, Attitude and
Heading Reference System (AHRS) attitude and rate information, and airspeed.
• Yaw Damper (YD) — The yaw servo is self-monitoring and provides Dutch roll damping and turn coordination
in response to yaw rate, roll angle, lateral acceleration, and airspeed.
• Manual Electric Trim (MET) — The pitch trim adapter provides manual electric trim capability when the
autopilot is not engaged.
190-02177-00 Rev. A Garmin G1000 NXi Pilot's Guide for the Cessna Nav III
AUTOMATIC FLIGHT CONTROL SYSTEM
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