HTAWS Obstacle Symbols
250 ft
250 ft
500 ft
Map Tool Bar Symbols
Symbol
52
Obstacle is at or above the aircraft altitude (Red)
Obstacle is between 250 ft and 0 ft
below the aircraft altitude (Yellow)
Obstacle is 250 ft, or more,
below the aircraft altitude (Gray)
HTAWS Obstacle Altitude Correlation
250 ft
250 ft
Terrain is between 0 ft and 250 ft below the aircraft altitude (Yellow)
Terrain is between 250 ft and 500 ft below the aircraft altitude (Green)
HTAWS Altitude/Color Correlation
Terrain Proximity Enabled and Available Indicator
Terrain Proximity Enabled and Not Available Indicator
Traffic Enabled and Available Indicator
Traffic Enabled and Not Available Indicator
Stormscope Enabled
Within coverage of a TIS-B ground station when
connected to a GDL 88
Not within coverage of a TIS-B ground station when
connected to a GDL 88
GTN 725/750 Cockpit Reference Guide (CRG)
Terrain is more than 250 ft above
the aircraft altitude (Red)
Terrain more than 500 ft below the aircraft altitude (Black)
Description
Terrain is between
0 ft and 250 ft above
the aircraft altitude
(Orange)
190-01007-04 Rev. D