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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
Imminent Line
Impact Warning
(ILI)
"Wire Ahead, Pull
Up; Wire Ahead,
Pull Up"
or
"Wire, Wire; Pull
Up, Pull Up"
Reduced Line
Clearance Warning
(RLC)
"Wire Ahead, Pull
Up; Wire Ahead,
Pull Up"
or
"Wire, Wire; Pull
Up, Pull Up"
Reduced Required
Terrain Clearance
Caution (RTC)
*
or
“Caution, Terrain;
Caution, Terrain”*
or
“Terrain Ahead;
Terrain Ahead”
Imminent Terrain
Impact Caution (ITI)
*
or
“Caution, Terrain;
Caution, Terrain”
or
“Terrain Ahead;
Terrain Ahead”
Reduced Required
Obstacle Clearance
Caution (ROC)
*
or
“Caution,
Obstacle; Caution,
Obstacle”*
or
“Obstacle Ahead;
Obstacle Ahead”
Imminent Obstacle
Impact Caution (IOI)
*
or
“Obstacle Ahead;
Obstacle Ahead”*
or
“Caution, Obstacle;
Caution, Obstacle”
Imminent Line
Impact Caution (ILI)
"Wire Ahead; Wire
Ahead"*
or
"Caution, Wire;
Caution, Wire"
Summary of Contents for GTN 625
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