10-60
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
Terrain
Alert Type
Alert
Annunciation
Pop-Up Alert
(Except TAWS-A Page)
Aural
Message
TAWS N/A
N/A
TAWS Not
Available
TAWS Alerting is
Disabled
N/A
None
TAWS System Test
Fail
N/A
“TAWS System
Failure”
Incorrect TAWS
configuration,
invalid/missing
terrain, airport, or
obstacle database,
or TAWS audio
fault.
**
N/A
“TAWS System
Failure”
No GPS position
N/A
“TAWS Not
Available”
GPS position
unavailable/
degraded, outside
of terrain database
coverage
N/A
“TAWS Not
Available”
Sufficient GPS
signal reception
restored
None
N/A
“TAWS Available”
(aural message
only in flight)
Incorrect TAWS
configuration,
radar altimeter
unavailable,
GPS position
unavailable/
degraded, TAWS
audio fault
*
N/A
“GPWS System
Failure”
GPWS Inhibit
N/A
“GPWS System
Failure”
Summary of Contents for GTN 625
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