53
190-01004-04 Rev. N
GTN 625/635/650 Cockpit Reference Guide
Symbols
HTAWS Obstacle Symbols
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)
HTAWS Obstacle/Altitude Correlation
Terrain more than 500 ft
below
the aircraft altitude
Terrain is between 0 ft and 250 ft
below
the aircraft altitude
Terrain is more than 250 ft
above
the aircraft altitude
Terrain is between 250 ft and 0 ft
above
the aircraft altitude
Aircraft Altitude -250 ft
Terrain is between 250 ft and 500 ft
below
the aircraft altitude
Aircraft Altitude +250 ft
Aircraft Altitude -500 ft
Aircraft Altitude
Red
Orange
Yellow
Green
Black
HTAWS Altitude/Color Correlation
Basemap Symbols
Symbol
Description
Interstate Highway
State Highway
US Highway
National Highway - 2-digit drawn inside
Small City or Town
Medium City
Large City
Summary of Contents for GTN 625
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