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SECTION 7 AUTOMATIC FLIGHT CONTROL SYSTEM (OPTIONAL)
The approved Aircraft Flight Manual Supplement (AFMS) always supersedes the information in this
NOTE:
Pilot's Guide.
A failure of the primary (#1) Integrated Avionics Unit (IAU) results in loss of the flight director. Any
NOTE:
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 (Figure 1-1) to support this
system description. GFC 700 AFCS functionality in Diamond DA40/40F aircraft is distributed across the
following Line Replaceable Units (LRUs):
• GDU 1040 Primary Flight Display (PFD)
• GDU 1042/1044 Multi-Function Display (MFD)
• GIA 63/63W Integrated Avionics Units (2)
The GFC 700 AFCS can be divided into these main operating functions:
• Flight Director (FD) — Flight director operation takes place within the primary (#1) IAU. Flight director
commands are displayed on the PFD. The flight director provides:
– Command Bars showing pitch/roll guidance
– Pitch/roll mode selection and processing
– Autopilot communication
• Autopilot (AP) — Autopilot operation occurs within the pitch, roll, and pitch trim servo and provides servo
monitoring and automatic flight control in response to flight director steering commands, AHRS attitude and
rate information, and airspeed.
• Manual Electric Trim (MET) — The pitch trim servo provides manual electric trim capability when the
autopilot is not engaged.
190-00592-06 Rev. A
Garmin G1000 Pilot's Guide for Diamond DA40/40F
AUTOMATIC FLIGHT CONTROL SYSTEM
• GSA 81 AFCS Servo (3)
• GSM 85 Servo Mounts (3)
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