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PRIMUS
R
660 Digital Weather Radar System
A28–1146–111
REV 2
Enhanced Ground–Proximity Warning System (EGPWS)
B–4
EGPWS Display
The EGPWS displays is shown as variable dot patterns in green,
yellow, or red. The density and color is a function of how close the
terrain is relative to the aircraft altitude above ground level (AGL), refer
to table B–1. Terrain/obstacle alerts are shown by painting the
threatening terrain as solid or red. Terrain that is more than 2000 feet
below the aircraft is not displayed. Areas where terrain data is not
available are shown in magenta..
Elevation of Terrain in Feet
AGL
Color
2000 or more above the aircraft High density red
1000 – 2000 above the aircraft High density yellow dot pattern
0–1000 above the aircraft Medium Density yellow Dot
Pattern
0–1000 below the aircraft Medium density green dot
pattern
1000 – 2000 below the aircraft Low density green dot pattern
2000 or more below the aircraft black
Unknown terrain Magenta
NOTE: Caution terrain (60 second warning) is displayed as solid yellow. Warning
obstacle (30 second warning) is displayed as solid red.
EGPWS Obstacle Display Color Definitions
Table B–1