G1000 Reference Guide - SkyHoppers

SECTION 6 – AUTOMATICFLIGHT CONTROLRoll Modes• Roll Hold (default mode) — Holds the currentaircraft roll attitude or rolls the wings level,depending on the commanded bank angle• Heading Select — Captures and tracks the SelectedHeading• Navigation (GPS, VOR, LOC) — Captures andtracks the selected navigation source• Backcourse — Captures and tracks a localizersignal for backcourse approaches• Approach (GPS, VAPP, LOC) — Captures and tracksthe selected navigation source with greater sensitivityfor approach• Go Around — Commands a constant pitch angleand wings level while in the airThe following table relates each roll mode to itsrespective control and annunciation. Refer to the pitchmodes section for information regarding Go Around andTakeoff Modes.The CWS Button does not change lateral referencesfor Heading Select, Navigation, Backcourse, or Approachmodes. The autopilot guides the aircraft back to theSelected Heading/Course upon release of the CWSButton.Roll Hold Mode (ROL)NOTE: If Roll Hold Mode is activated as a resultof a mode reversion, the flight director rolls thewings level.When the flight director is activated (the FD or AP Keyis pressed), Roll Hold Mode is selected by default. Thismode is annunciated as ‘ROL’ in the AFCS Status Box. Thecurrent aircraft bank angle is held, subject to the bankangle conditions listed in Table 6-3.Roll Mode Control AnnunciationRoll Hold (default) ROLHeading Select HDG Key HDGNavigation, GPS Arm/Capture/TrackGPSNavigation, VOR Enroute Arm/Capture/TrackVORNAV KeyNavigation, LOC Arm/Capture/TrackLOC(No Glideslope)Backcourse Arm/Capture/Track BC Key BCApproach, GPS Arm/Capture/TrackGPSApproach, VOR Arm/Capture/TrackVAPPAPR KeyApproach, ILS Arm/Capture/TrackLOC(Glideslope Mode automatically armed)Go Around (in air) GA Switch GATable 6-2 Roll Modes190-00384-07 Rev. AGarmin G1000 Cockpit Reference Guide for the Cessna Nav III6-17