Pilot's Guide

Garmin G1000H
™
Pilot’s Guide for the Bell 407GX 190-01255-01 Rev. A414
ADDITIONAL FEATURES
8.1 SYNTHETIC VISION TECHNOLOGY (SVT
™
)
WARNING: Use appropriate primary systems for navigation, and for terrain, obstacle, and traffic avoidance.
SVT is intended as an aid to situational awareness only and may not provide either the accuracy or reliability
upon which to solely base decisions and/or plan maneuvers to avoid terrain, obstacles, or traffic.
The Synthetic Vision Technology (SVT
™
)isavisualenhancementtotheG1000HIntegratedFlightDeck.SVT
depictsaforward-lookingattitudedisplayofthetopographyimmediatelyinfrontoftheaircraft.Theeldof
viewis30degreestotheleftand35degreestotheright.SVTinformationisshownonthePrimaryFlightDisplay
(PFD),oron the MultifunctionDisplay(MFD) inReversionaryMode(Figure 8-142).The depicted imagery
is derived from the aircraftattitude, heading, GPS three-dimensional position, and a six arc-seconddatabase
ofterrain,obstacles,andotherrelevantfeatures.Theterraindataresolutionofsixarc-seconds,meaningthat
theterrainelevationcontoursarestoredinsquaresmeasuringsixarc-secondsoneachside,isrequiredforthe
operationofSVT.Lossofanyoftherequireddata,includingtemporarylossoftheGPSsignal,willcauseSVTto
bedisableduntiltherequireddataisrestored.
TheSVTterraindisplayshowslandcontours,largewaterfeatures,towers,andotherobstaclesover200’AGL
thatareincludedintheobstacledatabase.Culturalfeaturesonthegroundsuchasroads,highways,railroad
tracks,cities,and stateboundariesarenotdisplayedevenifthosefeaturesarefoundontheMFDmap.The
terrain display also includes a north–south east–west grid with lines oriented with true north and spaced at one
arc-minuteintervalstoassistinorientationrelativetotheterrain.Thecolorsusedtodisplaytheterrainelevation
contoursaresimilartothatofthetopomapdisplay.
TheHelicopterTerrainAwarenessandWarningSystem(HTAWS)isintegratedwithinSVTtoprovidevisualand
auditoryalertstoindicatethepresenceofterrainandobstaclethreatsrelevanttotheprojectedightpath.Terrain
alertsaredisplayedinredandyellowshadingonthePFD.
Theterraindisplayisintendedforsituationalawarenessonly.Itmaynotprovidetheaccuracyordelityon
whichtobasedecisionsandplanmaneuverstoavoidterrainorobstacles.Navigationmustnotbepredicated
solelyupontheuseoftheHTAWSterrainorobstacledatadisplayedbytheSVT.
ThefollowingSVTenhancementsappearonthePFD:
•Pathways
•FlightPathMarker
•HorizonHeadingMarks
•TrafcDisplay
•AirportSigns
•RunwayDisplay
•TerrainAlerting
•ObstacleAlerting