Pilot's Guide

Garmin G1000 Pilot’s Guide for the Cessna Citation Mustang
190-00494-04 Rev. A370
HAZARD AVOIDANCE
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.WhensufcientGPSsignalisreceivedandtheaircraftiswithinthedatabasecoverage
area,the‘TAWSN/A’annunciationisremoved.
Alert Cause
PFD/MFD*
Annunciation
TAWS-B Page Center Banner
Annunciation
Aural Message
MFD Terrain or Obstacle
database unavailable or
invalid. TAWS operating
with PFD Terrain or Obstacle
databases
None
TERRAIN DATABASE FAILURE
None
Terrain or Obstacle database
unavailable or invalid on all
displays, invalid software
configuration, TAWS audio
fault
TAWS FAIL
“TAWS System Failure”
No GPS position
NO GPS POSITION
“TAWS Not Available”
Excessively degraded GPS
signal
None “TAWS Not Available”
Out of database coverage area None “TAWS Not Available”
*Annunciation appears on MFD pages when terrain is displayed.
Table 6-13 TAWS-B Abnormal Conditions