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190-01255-00 Rev. B
Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
488
APPENDIX A
HTAWS ALERTS
Alert Type
PFD/HTAWS
Page Alert
Annunciation
MFD
Pop-Up Alert (except
HTAWS Page)
Aural Message
Reduced Required Terrain Clearance
Warning (RTC)
“Warning; Terrain, Terrain”
Imminent Terrain Impact Warning (ITI) “Warning; Terrain, Terrain”
Reduced Required Obstacle Clearance
Warning (ROC)
“Warning; Obstacle, Obstacle”
Imminent Obstacle Impact Warning (IOI)
“Warning; Obstacle, Obstacle”
Reduced Required Terrain Clearance
Caution (RTC)
“Caution; Terrain, Terrain”
Imminent Terrain Impact Caution (ITI)
“Caution; Terrain, Terrain”
Reduced Required Obstacle Clearance
Caution (ROC)
“Caution; Obstacle, Obstacle”
Imminent Obstacle Impact Caution (IOI)
“Caution; Obstacle, Obstacle”
Voice Callout (VCO) None None “Five Hundred”, “Four Fifty”, “Four Hundred”,
“Three Fifty”, “Three Hundred”, “Two Fifty”,
“Two Hundred”, “One Fifty”, “One Hundred”, “Fifty”
HTAWS Alerts Summary
HTAWS SYSTEM STATUS ANNUNCIATIONS
Alert Type
PFD/HTAWS
Page Status
Annunciation
HTAWS Page Center Banner
Annunciation
Aural Message
System Test in Progress HTAWS TEST None
System Test Pass None None “HTAWS Test OK”
HTAWS System Failure HTAWS FAIL “HTAWS Failure”
HTAWS Not Available None “HTAWS Not Available”
HTAWS Availability Restored None None “HTAWS Available”*
HTAWS FLTA Alerting Inhibited None None
Reduced Protection Mode Enabled None None
MFD Terrain or Obstacle database unavailable
or invalid. HTAWS operating with PFD Terrain or
Obstacle databases
None
TERRAIN DATABASE FAILURE
None