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Garmin G1000 Pilot’s Guide for Cessna Nav III
190-00498-07 Rev. A
56
FLIGHT INSTRUMENTS
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
VERTICAL DEVIATION
NOTE: The Glidepath Indicator is only shown for aircraft with GIA 63W Integrated Avionics Units when
SBAS is available.
TheVerticalDeviationIndicator(VDI)isamagentachevronindicatingthebaro-VNVverticaldeviation
whenVerticalNavigation(VNV)isbeingused.TheVDIappearsinconjunctionwiththe“TODwithin1
minute”alert.TheVDIisremovedfromthedisplayifverticaldeviationbecomesinvalid.SeetheFlight
ManagementSectionfordetailsonVNVfeatures,andrefertoSection2.2,SupplementalFlightData,formore
informationaboutVNVindicationsonthePFD.
The GlideslopeIndicatorappearstotheleftoftheAltimeterwheneveranILSfrequencyistunedinthe
activeNAVeldandtheaircraftheadingandselectedcoursearewithin107˚.Agreendiamondactsasthe
GlideslopeIndicator,likeaglideslopeneedleonaconventionalindicator.Ifalocalizerfrequencyistuned
andthereisnoglideslope,“NOGS”isdisplayedinplaceofthediamond.
TheglidepathisanalogoustotheglideslopeforGPSapproachessupportingSBASverticalguidance(LNAV+V,
L/VNAV,LPV).WhenanapproachofthistypeisloadedintotheightplanandGPSistheselectednavigation
source, the Glidepath Indicator appears as a magenta diamond during the approach. If the approach type
downgradespastthenalapproachx(FAF),“NOGP”isdisplayedinplaceofthediamond.
Full-scale deflection of two dots is 1000 feet.
Figure 2-11 Vertical Speed and Vertical Deviation Indications
Glipepath
Indicator
Glidepath Indicator
Glideslope
Indicator
Vertical
Speed
Indicator
Vertical
Speed
Pointer
VNV Target
Altitude
Vertical
Deviation
Indicator
Vertical Speed and Deviation
Indicator (VSI and VDI)
Glideslope Indicator
Required
Vertical
Speed
Indicator