190-01255-00 Rev. B
Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
349
HAZARD AVOIDANCE
SYSTEM STATUS
Duringsystempower-up,HTAWSconductsasystem-testofitsauralandvisualannunciations.Thesystem
test canalso bemanually initiated. Anaural alertis issuedat testcompletion. HTAWSSystem Testing is
disabledwhengroundspeedexceeds30knots.Noterrain,obstacle,orVCOalertingisavailablewhileasystem
test is in progress.
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
* Aural message not issued if HTAWS is inhibited.
Table 6-10 HTAWS System Status Annunciations
Manually testing the HTAWS System:
1) Select the HTAWS Page.
2) Press the MENU Key (Figure 6-83).
3) Select ‘Test HTAWS System’ and press the ENT Key to confirm the selection.
Figure 6-83 HTAWS Page Menu
HTAWScontinuallymonitorsseveralsystem-criticalitemssuchasdatabasevalidity,hardwarestatus,andGPS
status.Iftheterrain/obstacledatabaseisnotavailable,theauralmessage“HTAWS Failure” is generated along
withthe‘HTAWSFAIL’alertannunciation.
HTAWSrequiresa3-DGPSnavigationsolutionalongwithspecicverticalaccuracyminimums.Shouldthe
navigationsolutionbecomedegradedoriftheaircraftisoutofthedatabasecoveragearea,theannunciation