10-43
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
Terrain
Unlighted Obstacle
Lighted Obstacle
Obstacle
Color
Obstacle Location
< 1,000 ft
AGL
> 1,000 ft
AGL
< 1000 ft
AGL
> 1000 ft
AGL
Obstacle Symbol
Red
Obstacle is at or
above current
aircraft altitude.
Yellow
Obstacle is between
250 ft and 0 ft
below current
aircraft altitude.
White
Obstacle is 250 ft, or
more, below current
aircraft altitude.
Obstacles are
removed when more
than 500 ft below
the helicopter.
Table 10-19 HTAWS Obstacle Colors and Symbology
Obstacle is at or above the aircraft altitude (Red)
250 ft
Obstacle is between 250 ft and 0 ft
below the aircraft altitude (Yellow)
Obstacle is 250 ft, or more,
below the aircraft altitude (White)
Figure 10-30 HTAWS Obstacle Altitude Colors and Symbology
Threat Location Indicator
Alert Level
WARNING (Red)
CAUTION (Yellow)
Table 10-20 HTAWS Alert Coloring and Symbology
Summary of Contents for GTN 625
Page 608: ...This page intentionally left blank ...
Page 609: ......
Page 610: ...190 01004 03 Rev P ...