Garmin G500 Pilot's Manual page 87

Obstacle Data Viewing Range
The Obstacle Data Viewing Range option selects whether the Obstacle Data
is shown on the Navigation Map. Obstacles will be shown at and below the
selected map range. Map ranges above this value will not show the Obstacle
Data. In the range selection example below where 30 NM is selected, obstacles
will be shown at map ranges of 30 NM and lower.
Unlighted Obstacle
(Height is less than
1000 ft AGL)
1000 ft
Obstacles Within
1000 feet of Aircraft
Obstacles Within 100 feet
of Aircraft or Above
190-01102-02 Rev. B
Lighted Obstacle
(Height is less
than 1000 ft AGL)
Figure 3-34 Navigation Map Obstacle Icons
Projected Flight Path
100 ft Threshold
Unlighted Obstacle
Terrain between 100 ft and 1000 ft below the
aircraft altitude (Yellow)
Terrain more than 1000 ft below the aircraft altitude (Black)
Figure 3-35 TERRAIN Altitude/Color Correlation
Figure 3-36 Navigation Map Obstacle Data
Garmin G500 Pilot's Guide
Unlighted Obstacle
(Height is greater
than 1000 ft AGL)
Potential Impact Point
Lighted Obstacle
(Height is greater than
1000 ft AGL)
Terrain above or
within 100 ft
below the aircraft
altitude (Red)
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