Pilot's Guide

Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
190-01255-01 Rev. A378
HAZARD AVOIDANCE
Alert Type
PFD/HTAWS
Page Alert
Annunciation
MFD
Pop-Up Alert (except
HTAWS Page)
Voice Alert
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 Hundred”, “Three Hundred”,
“Two Hundred”, “One Fifty”, “One Hundred”, “Fifty”
Table 6-12 HTAWS Alerts Summary
HTAWScautionvoicealertscanbemutedwhileanalertisoccurring.Mutinganactivecautionvoicealert
hasnoeffectonvisualcautionannunciationsorwarningvoicealerts.Mutingbecomesdisabledifanew
HTAWScautionoccurs.
Muting/Unmuting an Active HTAWS Caution Voice Alert:
Press the TA MUTE button on the collective.
Or:
1) Turn the large FMS Knob to select the HTAWS Page on the MFD.
2) Press the MUTE CTN Softkey.
Or:
1) Press the MENU Key.
2) Select ‘Mute Active Caution’ or ‘Unmute Active Caution’ (choice dependent on current state) and press the ENT
Key.
FORWARD LOOKING TERRAIN AVOIDANCE (FLTA)
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6-99.WhenanRTCalertisissued,apotentialimpactpointisdisplayedonthe
HTAWSPage.