Garmin GNC 420W Pilot's Manual Addendum - Page 37
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Also for Garmin GNC 420W: Pilot's Manual Addendum (24 pages), Quick Reference (23 pages), Pilot's Manual Addendum (24 pages), Supplementary Manual (12 pages), Quick Reference Manual (25 pages)
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Color Interpretation
Garmin TAWS uses black, yellow, and red to
depict terrain information relative to aircraft altitude
as shown below. Each color is associated with an alert
severity level and a suggested course of action. Color
assignments are used by terrain graphics, obstacle
symbols, and visual annunciations.
Unlighted Obstacle
< 1000 ft
> 1000 ft
AGL
AGL
1000' AGL
Lighted Obstacle
Potential
Impact
< 1000 ft
> 1000 ft
Points
AGL
AGL
TAWS Terrain/Obstacle Colors and Symbology
Projected Flight Path
100' Threshold
Terrain Altitude/Color Correlation for Terrain Proximity
Terrain
Terrain/Obstacle Location Alert Level
Color
Terrain/Obstacle at or within
Red
100 ft below current aircraft
altitude
Terrain/Obstacle between
Yellow
100 ft and 1000 ft below
current aircraft altitude
Terrain more than 1000 ft
Black
below the aircraft altitude
Unlighted Obstacle
Part Three: Section 2
TAWS Operation
WARNING
CAUTION
NO DANGER
Potential Impact Point
33