Cockpit Reference Guide

Garmin G1000 Pilot’s Guide for the Piper PA-46 Meridian
190-00763-02 Rev. A366
HAZARD AVOIDANCE
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EICAS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EICAS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
FORWARD LOOKING TERRAIN AVOIDANCE
Reduced Required Terrain Clearance (RTC) and Reduced Required Obstacle Clearance (ROC)
alertsareissuedwhentheaircraftightpathisaboveterrain,yetisprojectedtocomewithintheminimum
clearancevaluesinFigure6-81.WhenanRTCalertisissued,apotentialimpactpointisdisplayedonthe
Terrain-SVSPage.
Imminent Terrain Impact (ITI) and Imminent Obstacle Impact (IOI) alerts are issued when the
aircraftisbelowtheelevationofaterrainorobstaclecellintheaircraft’sprojectedpath.ITIandIOIalertsare
accompaniedbyapotentialimpactpointdisplayedontheTerrain-SVSPage.Thealertisannunciatedwhen
theprojectedverticalightpathiscalculatedtocomewithinminimumclearancealtitudesinFigure6-81.
Required Terrain Clearance
0
100
200
300
400
500
600
700
800
0 5 10 15 20 25 30
Distance From Runway (NM)
Required Terrain Clearance (FT)
RTC Level (FT) RTC Descending (FT)
Figure 6-81 FLTA Alert Minimum Terrain and Obstacle Clearance Values
Distance From Runway (NM)
Minimum Terrain/Obstacle Clearance (FT)
FLTAalertsareautomaticallyinhibitedwhentheaircraftislessthan200feetabovethedestinationrunway
elevationwhilewithin0.5nmoftheapproachrunwayortheaircraftisbetweenrunwayends.
System Status
Duringpower-up,Terrain-SVSconductsasystemtestofitsauralandvisualannunciations.Anauralalertis
issued at test completion.