Garmin G3X Touch Pilot’s Guide190-01754-00 Rev. E239AFCSSystemOverviewFlightInstruments EISCNSInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeatures AFCS Annun/Alerts Appendix Indexyaw aXiSThe yaw damper uses yaw rate and roll attitude to dampen the aircraft’s naturalDutch roll response. It also uses lateral acceleration to coordinate turns and reduceor eliminate the need for the pilot to use rudder pedal force to maintain coordinatedflight during climbs and descents.G3X TOUCH AFCS INSTALLATIONS OPTIONSThe G3X Touch offers multiple Automatic Flight Control System installation options.The following options are discussed in this section:• GDU 450/455/460/465 Primary Flight Display (PFD), plus a third party autopilotunit. This option includes a separate FD. The FD can be on independent of theautopilot. Selecting a FD mode engages the autopilot.• GDU 450/455/460/465 Primary Flight Display (PFD), plus GSA 28 servos. Thisoption includes a separate FD. The FD can be on independent of the autopilot.Selecting a FD mode engages the autopilot.• GDU 450/455/460/465 Primary Flight Display (PFD), plus third party autopilot,plus GMC 305 Mode Controller. This option includes a separate FD. The FD canbe on independent of the autopilot. Selecting a FD mode does not engage theautopilot. This option does not support a Yaw Damper (YD).• GDU 450/455/460/465 Primary Flight Display (PFD), plus GSA 28 servos, plusGMC 305 Mode Controller. This option includes a separate FD. The FD can be onindependent of the autopilot. Selecting a FD mode does not engage the autopilot.This option supports a Yaw Damper (YD).
