Cockpit Reference Guide

Garmin G1000 Pilot’s Guide for the Piper PA-46 Meridian
190-00763-02 Rev. A382
HAZARD AVOIDANCE
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EICAS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EICAS
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 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restoredandtheaircraftiswithinthedatabasecoverage
area,theauralmessage“TAWSAvailable”isgenerated.
Alert Cause(s)
PFD/MFD* Alert
Annunciation
TAWS-B Page Center Banner
Annunciation
Aural Message
Terrain or Obstacle database
unavailable or invalid, invalid
software configuration, system
audio fault
TAWS FAIL “TAWS System Failure”
MFD Terrain or Obstacle
database unavailable or invalid.
TAWS operating with PFD Terrain
or Obstacle databases
None TERRAIN DATABASE FAILURE None
No GPS position NO GPS POSITION “TAWS Not Available”†
Excessively degraded GPS signal,
Out of database coverage area
None “TAWS Not Available”†
* 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 recieved, or Terrain database coverage area re-
entered.
Table 6-15 TAWS-B Abnormal Status Annunciations and Causes