11-9190-01007-03 Rev. C
GTN 725/750 Pilot’s Guide
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
Potential Impact Point
Unlighted Obstacle
Projected Flight Path
1000 ft
100 ft Threshold
Terrain more than 1000 ft below the aircraft altitude (Black)
Terrain between 100 ft and 1000 ft below the
aircraft altitude (Yellow)
Terrain above or
within 100 ft
below the aircraft
altitude (Red)
Figure 11-6 Terrain Altitude/Color Correlation for Terrain Proximity
Unlighted Obstacle Lighted Obstacle Potential
Impact
Points
Terrain
Color
Terrain/
Obstacle
Location
Alert
Level
< 1000 ft
AGL
> 1000 ft
AGL
< 1000 ft
AGL
> 1000 ft
AGL
Obstacle Symbol
Red
Terrain/
Obstacle at or
within 100 ft
below current
aircraft
altitude
WARNING
(Red)
Yellow
Terrain/
Obstacle
between
100 ft and
1000 ft
below current
aircraft
altitude
CAUTION
(Yellow)
Table 11-1 TAWS Terrain/Obstacle Colors and Symbology
11.3.7 TAWS Page
TAWS information is displayed on the Map and Terrain pages. The TAWS
Page is specialized to show terrain, obstacle, and potential impact point data
in relation to the aircraft’s current altitude, without clutter from the basemap.
Flight plan information (airports, VORs, and other NAVAIDs) included in the
flight plan are displayed for reference. If an obstacle and the projected flight
path of the aircraft intersect, the display automatically zooms in to the closest
potential point of impact on the TAWS Page.
Aircraft orientation on this map is always heading up unless there is no valid
heading. If orientation is not heading up, it will be track up. Two views are
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