190-00498-07 Rev. A
Garmin G1000 Pilot’s Guide for Cessna Nav III
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS EIS AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE AFCS ADDITIONAL
FEATURES APPENDICES INDEX
379
HAZARD AVOIDANCE
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 6-134 FLTA Alert Minimum Terrain and Obstacle Clearance Values
Distance From Runway (NM)
Required Terrain 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.WhenTerrain-
SVSalertsareinhibited,theannunciation‘TERINH’isshownonthePFDandintheMFDterrainannunciation
window.
FLTAalertsmayalsobemanuallyinhibited.UsediscretionwheninhibitingFLTAalerts,astheyshouldbe
enabled where appropriate.
Figure 6-135 Terrain-SVS Alerting Disabled
(Terrain-SVS Inhibited) Annunciation
Inhibiting/enabling Terrain-SVS alerting:
1) Select the Terrain-SVS Page.
2) Press the INHIBIT Softkey to inhibit or enable Terrain-SVS (choice dependent on current state).
Or:
1) Select the Terrain-SVS Page.
2) Press the MENU Key.
3) Select ‘Inhibit Terrain-SVS’ or ‘Enable Terrain-SVS’ (choice dependent on current state) and press the ENT Key.
IfTerrain-SVSalerts are inhibited when the Final Approach Fix is the active waypoint in a GPS SBAS
approach,a‘LOW ALT’annunciationmay appearonthe PFDnextto theAltimeterif thecurrentaircraft
altitudeisatleast164feetbelowtheprescribedaltitudeattheFinalApproachFix.SeetheFlightInstruments
Sectionfordetails.