Pilot's Guide
190-00494-04 Rev. A
Garmin G1000 Pilot’s Guide for the Cessna Citation Mustang
63
FLIGHT INSTRUMENTS
VERTICAL SPEED INDICATOR (VSI)
The VerticalSpeedIndicator(VSI)displaystheaircraftverticalspeedwithnumericlabelsandtickmarksat
2000and4000fpmineachdirectiononthenon-movingtape.Minortickmarksareatintervalsof1000fpm.
The current vertical speed is displayed in the pointer, which also points to that speed on the non-moving tape.
Digitsappearinthepointerwhentheclimbordescentrateisgreaterthan100fpm.Iftherateofascent/descent
exceeds4000fpm,thepointerappearsatthecorrespondingedgeofthetapeandtherateappearsinsidethe
pointer.
AmagentachevronisdisplayedastheRequiredVerticalSpeedIndication(RVSI)forreachingaVNVTarget
Altitudeoncethe“TOD[TopofDescent]within1minute”alerthasbeengenerated.SeetheFlightManagement
andAFCSsectionsfordetailsonVNVfeatures,andrefertoSection2.2,SupplementalFlightData,formore
informationaboutVNVindicationsonthePFD.
VERTICAL DEVIATION
TheVerticalDeviationIndicator(VDI)usesamagentachevrontoindicatethebaro-VNVverticaldeviation
whenVerticalNavigation(VNV)isbeingused;theVDIappearsinconjunctionwiththe“TODwithin1minute”
alert.Full-scaledeection(twodots)is1000feet.TheVDIisremovedfromthedisplayifverticaldeviation
becomes invalid.See the Flight Management and AFCS sectionsfordetailson VNV features, andreferto
Section2.2,SupplementalFlightData,formoreinformationaboutVNVindicationsonthePFDs.
The GlideslopeIndicatorappearstotheleftoftheAltimeterwheneveranILSfrequencyistunedintheactive
NAVeldandtheaircraftheadingandselectedcoursearewithin107˚AgreendiamondactsastheGlideslope
Indicator,likeaglideslopeneedleonaconventionalindicator.Ifalocalizerfrequencyistunedandthereisno
glideslope,“NOGS”isannunciated.
TheglidepathisanalogoustotheglideslopeforGPSapproachessupportingSBASverticalguidance(LNAV+V,
LNAV/VNAV, LPV) and is generated by the system to reduce pilot workload during approach. When an
approach of this type is loaded into the flight plan and GPS is the selected navigation source, the Glidepath
Indicatorappearsasamagentadiamond.Iftheapproachtypedowngradespastthenalapproachx(FAF),
“NOGP”isannunciated.
Figure 2-16 Vertical Speed and
Deviation Indicators (VSI and VDI)
Vertical
Deviation
Indicator
VNV
Target
Altitude
Vertical
Speed
Indicator
Vertical
Speed
Pointer
Required
Vertical
Speed
Indicator
Figure 2-17 Glideslope
Indicator
Marker
Beacon
Annunciation
Glideslope
Indicator
Figure 2-18 Glidepath
Indicator
Glidepath
Indicator










