System Status - Garmin G1000H Pilot's Manual

SYSTEM STATUS

During system power-up, HTAWS conducts a system-test of its aural and visual annunciations. The system
test can also be manually initiated. An aural alert is issued at test completion. HTAWS System Testing is
disabled when ground speed exceeds 30 knots. No terrain, obstacle, or VCO alerting is available while a system
test is in progress.
Alert Type
System Test in Progress
System Test Pass
HTAWS System Failure
HTAWS Not Available
HTAWS Availability Restored
HTAWS FLTA Alerting Inhibited
Reduced Protection Mode Enabled
* Aural message not issued if HTAWS is inhibited.
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.
HTAWS continually monitors several system-critical items such as database validity, hardware status, and GPS
status. If the terrain/obstacle database is not available, the aural message "HTAWS Failure" is generated along
with the 'HTAWS FAIL' alert annunciation.
HTAWS requires a 3-D GPS navigation solution along with specific vertical accuracy minimums. Should the
navigation solution become degraded or if the aircraft is out of the database coverage area, the annunciation
190-01255-00 Rev. A
PFD/HTAWS Page Status
Annunciation
None
None
Table 6-10 HTAWS System Status Annunciations
Figure 6-83 HTAWS Page Menu
Garmin G1000H Pilot's Guide for the Bell 407GX
™
HAZARD AVOIDANCE
HTAWS Page Center
Banner Annunciation
HTAWS TEST
None
HTAWS FAIL
None "HTAWS Not Available"
None "HTAWS Available"*
None
None
Aural Message
None
"HTAWS Test OK"
"HTAWS Failure"
None
None
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