190-00726-00 Rev. J
Garmin G900X Pilot’s Guide
487
AUTOMATIC FLIGHT CONTROL SYSTEM
SY
STEM
O
VER
VIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO P
ANEL
& CNS
FLIGHT
MANA
GEMENT
HAZARD
AV
OID
ANCE
AFCS
ADDITIONAL
FEA
TURES
APPENDICES
INDEX
SECTION 7 AUTOMATIC FLIGHT CONTROL SYSTEM
The G900X is capable of interfacing with the following Automatic Flight Control Systems (AFCS):
• S-TEC System Fifty Five X
• TruTrak Sorcerer
• TruTrak DFC-series
• TruTrak DigiFlight-II-series
• TruTrak Pictorial Pilot
• TruTrak Digitrak
• TruTrak ADI
• Trio Avionics EZ Pilot
Refer to the installed autopilot manual for operational instructions.
7.1 GFC 7X (LANCAIR EVOLUTION ONLY)
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 7X is a digital Automatic Flight Control System (AFCS), fully integrated within the G900X System
avionics architecture. The System Overview section provides a block diagram (Figure 1-1) to support this
system description. GFC 7X AFCS functionality in Lancair Evolution aircraft is distributed across the following
Line Replaceable Units (LRUs):
• GDU 1040 Primary Flight Display (PFD)
• GDU 1045 Multi-Function Display (MFD)
• GIA 63W Integrated Avionics Units (2)
• GSA 80 AFCS Yaw Damper Servo (3)
• GTA 82 AFCS Trim Adapter (1)
• GSM 86 Servo Mounts (3)
The GFC 7X AFCS can be divided into these main operating functions: