Garmin GTN 625 Pilot's Manual page 340

10.8.3
Foreword
TAWS-A uses yellow (caution) and red (warning) to depict terrain and
obstacle (with a height greater than 200 feet above ground level, AGL) alerts
Getting
Started
relative to aircraft altitude. Depictions of obstacles more than 200 feet below the
Audio & aircraft are removed. Colors are adjusted automatically as the aircraft altitude
Xpdr Ctrl
changes. The colors and symbols in Figure 10-11 and Tables 10-7 and 11-12 are
used to represent terrain, obstacles, and threat locations.
Com/Nav
FPL
Direct-To
1000 ft
Proc
Wpt Info
Map
Alert Level
Traffic
Warning
Terrain
Caution
Weather
Informational
Nearest
Services/
Music
Utilities
Tower
System
Messages
Symbols
Grouped obstacles are shown with an asterisk (as shown in the Windmill in
Group example above). The color of the asterisks is tied to the relative altitude
Appendix
of the highest obstacle in the group, not other obstacles within that group.
Obstacles are grouped when they would otherwise overlap.
Index
10-52
Displaying TAWS-A Data
100 ft Threshold
Terrain more than 1000 ft below the aircraft altitude (Black)
Figure 10-34 Terrain Altitude/Color Correlation for TAWS-A
Annunciator Text
White text on red
background
Black text on yellow
background
Black text on white
background
Table 10-22 TAWS-A Alert Colors and Symbology
Windmill
Table 10-23 Obstacle Icon Types
GTN 625/635/650 Pilot's Guide
Projected Flight Path
Unlighted Obstacle
Terrain between 100 ft and 1000 ft below the
aircraft altitude (Yellow)
Threat Location
Indicator
Not Applicable
Windmill in Group
Threat Location
Terrain above or
within 100 ft
below the aircraft
altitude (Red)
Example Visual Annunciation
Power Line
190-01004-03 Rev. P