Garmin G1000 Pilot’s Guide for the Piper PA-32 Saratoga
190-02692-00 Rev. A
338
HAZARD AVOIDANCE
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
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 voice alert “TAWS System Failure” is generated
along with the ‘TAWS FAIL’ alert annunciation.
TAWS-B 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
‘TAWS N/A’ is generated in the annunciation window and on the MAP - TAWS-B Page. The voice alert “TAWS
Not Available” is generated. When sufficient GPS signal is received and the aircraft is within the terrain
database coverage area, the voice alert “TAWS Available” is generated.
Alert Cause
PFD/MFD*
Annunciation
MAP - TAWS-B Page Center
Banner Annunciation
Voice Alert
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 FAIL
“TAWS System Failure”
No GPS position
TAWS N/A
NO GPS POSITION “TAWS Not Available”
Excessively degraded GPS signal, aircraft
outside of terrain database coverage area
TAWS N/A
None “TAWS Not Available”
*Annunciation appears on MFD pages when terrain is displayed.
Table 6-18 TAWS-B Abnormal Conditions
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