Garmin DA40 GPS Receiver User Manual


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190-00592-06 Rev. A
Garmin G1000 Pilot’s Guide for Diamond DA40/40F
357
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 (OPTIONAL)
NOTE: The approved Aircraft Flight Manual Supplement (AFMS) always supersedes the information in this
Pilot’s Guide.
NOTE: A failure of the primary (#1) 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 (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)
•GSA81AFCSServo(3)
•GSM85ServoMounts(3)
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.
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