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190-00728-04 Rev. A
Embraer Prodigy
®
Flight Deck 100 Pilot’s Guide
634
APPENDIX A
TAWS-A SYSTEM STATUS ANNUNCIATIONS
Alert Type
PFD/MFD
TAWS-A Page
Annunciation
Additional
TAWS-A Page
Annunciation
Aural Message
TAWS System Fail, Terrain or Obstacle database
unavailable or invalid, invalid software configuration,
system audio fault
TAWS FAIL
“TAWS System Failure”
GPWS System Fail None “GPWS System Failure”
System Test in progress
TAWS TEST
None
System Test pass None None “TAWS System Test OK”
MFD Terrain or Obstacle database unavailable or invalid.
TAWS operating with PFD Terrain or Obstacle databases
None
TERRAIN DATABASE
FAILURE
None
GPWS System Fail, Radar Altimeter invalid, Altitude or
Vertical Speed unavailable
None “GPWS System Failure”
No GPS position
NO GPS
POSITION
“TAWS Not Available”
Excessively degraded GPS signal, Out of database
coverage area
None “TAWS Not Available”
Out of database coverage area None “TAWS Not Available”
“TAWS Available” when
aircraft enters database
coverage area.
TAWS-A ALERT AVAILABILITY
TAWS-A Alert Type Available
TAWS-A
Status
Annunciation
Displayed
RTC
ITI
ROC IOI PDA EDR ECR NCR FIT GSD VCO
No No No No No No No No No No No
No No No No No Yes Yes Yes Yes *No **Yes
No No No No No Yes Yes Yes Yes Yes **Yes
No No No No No Yes Yes Yes Yes Yes Yes
Yes Yes Yes Yes Yes No No No No No **Yes
Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes
Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes
Yes Yes Yes Yes Yes Yes Yes Yes #Yes Yes Yes
* GSD alert will be available if a valid ILS is being used for navigation, even if no valid GPS signal is being received.
** VCO alerts are not issued if both TAWS and GPWS systems have failed or are not available.
# Only the portions of FIT Alerting based on flap position are disabled when FLAP OVR annunciation is displayed.