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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
393
HAZARD AVOIDANCE
Figure 6-152 TAWS-B Page Menu
TAWS-B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“TAWS System Failure” is
generatedalongwiththe‘TAWSFAIL’alertannunciation.
TAWS-Brequiresa3-DGPSnavigationsolutionalongwithspecicverticalaccuracyminimums.Shouldthe
navigation solution become degraded or if the aircraft is out of the database coverage area, the annunciation
‘TAWSN/A’isgeneratedintheannunciationwindowandontheTAWS-BPage.Theauralmessage“TAWS Not
Available” is generated.
Alert Type
PFD/MFD* Alert
Annunciation
TAWS-B Page Center Banner
Annunciation
Aural Message
System Test in progress TAWS TEST None
System Test pass None None “TAWS System Test Test OK”
TAWS-B FLTA Alerting Inhibited None None
No GPS position NO GPS POSITION “TAWS Not Available”
Excessively degraded GPS signal;
or Out of database coverage
area
None “TAWS Not Available”
TAWS-B System Test Fail; Terrain
or Obstacle database unavailable
or invalid; Invalid software
configuration; or System audio
fault
TAWS FAIL “TAWS System Failure”
MFD Terrain or Obstacle
database unavailable or invalid,
and TAWS operating with PFD
Terrain or Obstacle databases.
None TERRAIN DATABASE FAILURE None
† Annunciation is shown on TAWS-B Page and the Navigation Map Page when Terrain is enabled.
* “TAWS Available” will be heard when sufficient GPS signal is received, or Terrain database coverage area re-
entered.
Table 6-22 TAWS-B System Status Annunciations