Garmin G1000 PDAs & Smartphones User Manual


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Garmin G1000 Pilot’s Guide for Cessna Nav III
190-00498-07 Rev. A
456
AUTOMATIC FLIGHT CONTROL SYSTEM
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
APPROACH MODES (GPS, VAPP, LOC)
NOTE: The selected navigation receiver must have a valid VOR or LOC signal or active GPS course for the
flight director to enter Approach Mode.
Approach Mode is activated when the APR Key is pressed.  Approach Mode acquires and tracks the
selectednavigationsource(GPS,VOR,orLOC),dependingonloadedapproach.Thismodeusestheselected
navigationreceiverdeviationanddesiredcourseinputstoytheapproach.PressingtheAPR Key when
theCDIisgreaterthanonedotarmstheselectedapproachmode(annunciatedinwhitetotheleftofthe
activelateralmode).IftheCDIislessthanonedot,theLOCisautomaticallycapturedwhentheAPR Key
is pressed.
VORApproachMode(VAPP)providesgreatersensitivityforsignaltrackingthanVORNavigationMode.
Selecting VOR Approach Mode:
1) Ensure a valid VOR frequency is tuned.
2) Ensure that VOR is the selected navigation source (use the CDI Softkey to cycle through navigation sources if
necessary).
3) Press the APR Key.
WhenGPSApproachModeisarmed,GlidepathModeisalsoarmed.
Selecting GPS Approach Mode:
1) Ensure a GPS approach is loaded into the active flight plan. The active waypoint must be part of the flight plan
(cannot be a direct-to a waypoint not in the flight plan).
2) Ensure that GPS is the selected navigation source (use the CDI Softkey to cycle through navigation sources if
necessary).
3) Press the APR Key.
Figure 7-24 Navigation/Approach Mode Armed
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