Pilot's Guide
Garmin G1000 Pilot’s Guide for the Beechcraft C90A/GT/GTi
190-00663-03 Rev. A566
APPENDIX A
TAWS-B SYSTEM STATUS ANNUNCIATIONS
Alert Type
PFD/MFD*
Alert
Annunciation
TAWS-B Page Center Banner
Annunciation
Voice Message
System Test in progress
TAWS TEST TAWS TEST
None
System Test pass None None “TAWS System Test OK”
TAWS-B PDA/FLTA Alerting Inhibited
TAWS INH
None None
No GPS position
TAWS N/A NO GPS POSITION
“TAWS Not Available”†
Excessively degraded GPS signal; or
Out of database coverage area
TAWS N/A
None “TAWS Not Available”†
TAWS-B 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 FAIL
“TAWS System Failure”
MFD Terrain or Obstacle database
unavailable or invalid, TAWS-B
operating with PFD Terrain or
Obstacle databases
None
TERRAIN DATABASE FAILURE
None
* Annunciation is shown on the TAWS-B Page and the Navigation Map Page when Terrain is enabled.
† “TAWS Available” (in-flight only) when sufficient GPS signal received, or terrain database coverage re-entered.










