Garmin G1000H Marine Radio User Manual


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Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
190-01255-00 Rev. B376
ADDITIONAL FEATURES
8.1 SYNTHETIC VISION SYSTEM (SVS)
WARNING:
Use appropriate primary systems for navigation, and for terrain, obstacle, and traffic avoidance.
SVS 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System(SVS)isavisualenhancementtotheG1000HIntegratedFlightDeck.SVS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.SVSinformationisshownonthePrimaryFlightDisplay(PFD),or
ontheMultifunctionDisplay(MFD)inReversionaryMode(Figure8-120).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SVS.Loss
ofanyoftherequireddata,includingtemporarylossoftheGPSsignal,willcauseSVStobedisableduntilthe
requireddataisrestored.
TheSVS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SVS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SVS.
ThefollowingSVSenhancementsappearonthePFD:
•Pathways
•FlightPathMarker
•HorizonHeadingMarks
•TrafcDisplay
•AirportSigns
•RunwayDisplay
•TerrainAlerting
•ObstacleAlerting
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