Pilot's Guide

Garmin G1000 Pilot’s Guide for the Hawker Beechcraft C90A/GT/GTi
190-00663-02 Rev. B366
HAZARD AVOIDANCE
Figure 6-94 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.Ifin-ight,theauralmessage
“TAWS Not Available” is also generated.  When the GPS signal is restored and the aircraft is within the
databasecoveragearea,theauralmessage“TAWSAvailable”isgenerated.
Alert Type
PFD/MFD
TAWS-B Page
Annunciation
TAWS-B Page
Center Banner
Annunciation
Aural Message
TAWS Alert
Types
Not Available
System Test in progress
TAWS TEST
None None Available
System Test pass None None “TAWS System Test OK”
TAWS System Test Fail; Terrain,
Airport Terrain or Obstacle database
unavailable or invalid on all GDUs;
software mismatch among GDUs;
TAWS audio fault
TAWS FAIL “TAWS System Failure” FLTA, PDA
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” FLTA, PDA, VCO
Excessively degraded GPS signal, or
out of database coverage area
None “TAWS Not Available” FLTA, PDA
Sufficient GPS signal reception
restored
None
None “TAWS Available”
(aural message only in flight)
TAWS Alerting is disabled None None FLTA, PDA
Table 6-10 TAWS-B System Status Annunciations