11-16
GTN 725/750 Pilot’s Guide
190-01007-03 Rev. Q
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Charts
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
11.5.6.1 Terrain Alerting Colors and Symbology
Color and symbols are also associated with terrain alerts. The alert
annunciations show in the bottom left corner of the display. The three alert
levels and their associated text coloring as well as any associated symbology are
shown in the following table.
Alert Level
Annunciator Text
Threat Location
Indicator
Example Visual Annunciation
Warning
White text on red
background
Caution
Black text on yellow
background
Informational Black text on white
background
Not Applicable
Table 11-7 Terrain Alert Colors and Symbology
Alert Type
Alert
Annunciation
Aural Message
FLTA Terrain Warning
(RTC-W, ITI-W)
“Terrain Ahead, Pull Up; Terrain Ahead,
Pull Up”*
or
“Terrain, Terrain; Pull Up, Pull Up”
FLTA Obstacle Warning
(ROC-W, IOI-W)
“Obstacle Ahead, Pull Up; Obstacle Ahead,
Pull Up”*
or
“Obstacle, Obstacle; Pull Up, Pull Up”
FLTA Wire Warning
(ILI-W, RLC-W)
"Wire Ahead Pull Up, Wire Ahead Pull
Up"
FLTA Terrain Caution
(RTC-C, ITI-C)
“Terrain Ahead; Terrain Ahead”*
or
“Caution, Terrain; Caution, Terrain”
FLTA Obstacle Caution
(ROC-C, IOI-C)
“Obstacle Ahead; Obstacle Ahead”*
or
“Caution, Obstacle; Caution, Obstacle”
FLTA Wire Caution
(ILI-C, RLC-C)
"Wire Ahead"
Premature Descent
Alert Caution (PDA)
“Too Low, Terrain”
