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190-00595-01 Rev. B
Garmin G1000 Pilot’s Guide for the Beechcraft A36/G36
329
AUTOMATIC FLIGHT CONTROL SYSTEM
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
SECTION 7 AUTOMATIC FLIGHT CONTROL SYSTEM
7.1 AFCS OVERVIEW
NOTE: The approved Pilot’s Operating Handbook (POH) and FAA Approved Airplane Flight Manual (AFM)
always supersedes this Pilot’s Guide.
NOTE: A failure of the primary (#1) GIA 63/63W Integrated Avionics Unit (IAU) results in loss of the flight
director. Any IAU failure results in loss of the autopilot and manual electric trim.
The GFC 700 is a digital Automatic Flight Control System (AFCS), fully integrated within the G1000 System
avionics architecture. The System Overview section provides a block diagram to support this system description.
GFC 700 AFCS functionality in the Beechcraft A36/G36 is distributed across the following Line Replaceable Units
(LRUs):
• GDU 1040 Primary Flight Display (PFD)
• GDU 1043/1045 Multi-Function Display (MFD)
• GIA 63/63W Integrated Avionics Units (2 IAUs)
• GSA 81 AFCS Servo (4)
• GSM 85 Servo Mounts (4)
The GFC 700 AFCS can be divided into these main operating functions:
• Flight Director (FD) — Flight director operation takes place within the primary (#1) GIA 63/63W. Flight
director commands are displayed on the PFD. 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 Pitch Trim (MEPT) — The pitch trim servo provides manual electric pitch trim capability
when the autopilot is not engaged.