Cockpit Reference Guide

Garmin G1000 Cockpit Reference Guide for the Cessna Nav III
190-00384-12 Rev. A
13-5
SECTION 13 – ANNUNCIATIONS
& ALERTS
13.5 TERRAIN-SVS ALERTS
The following table shows the possible Terrain-SVS alert types with corresponding annunciations and aural
messages.
Alert Type
PFD/MFD
Alert
Annunciation
MFD
Pop-Up Alert
Aural Message
Reduced Required Terrain Clearance
Warning (RTC)
“Warning; Terrain, Terrain”
Imminent Terrain Impact Warning (ITI) “Warning; Terrain, Terrain”
Reduced Required Obstacle Clearance
Warning (ROC)
“Warning; Obstacle, Obstacle”
Imminent Obstacle Impact Warning (IOI) “Warning; Obstacle, Obstacle”
Reduced Required Terrain Clearance
Caution (RTC)
“Caution; Terrain, Terrain”
Imminent Terrain Impact Caution (ITI) “Caution; Terrain, Terrain”
Reduced Required Obstacle Clearance
Caution (ROC)
“Caution; Obstacle, Obstacle”
Imminent Obstacle Impact Caution (IOI) “Caution; Obstacle, Obstacle”
The following system status annunciations may also be issued.
Alert Type
PFD/MFD Alert
Annunciation
TERRAIN-SVS Page
Annunciation
Aural Message
System Test in Progress TERRAIN TEST None
System Test Pass None None “Terrain System Test OK”
Terrain Alerting is disabled
None None
MFD Terrain or Obstacle database
unavailable or invalid. Terrain-SVS operating
with PFD Terrain or Obstacle databases
None TERRAIN DATABASE FAILURE None
Terrain System Test Fail TERRAIN FAIL “Terrain System Failure”
Terrain or Obstacle database unavailable
or invalid, invalid software configuration,
system audio fault
TERRAIN FAIL “Terrain System Failure”