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2. (MFD) Terrain Coloring
Software Version 2.4.1 changes the terrain coloring parameters presented on the Terrain Overlay and the
terrain safety threshold.
A. or Ground Mode and Landing Mode, terrain that is greater than or equal to 100 feet above the
aircraft is shown in red while the terrain less than 100 feet above the aircraft is shown in topographic
terrain. This ensures that the nearby ground is not shown in red, while preserving the pilot
awareness of higher terrain in the airport environment.
Terrain Height Dedicated Terrain VIEW
Terrain Overlay
Above or within 100 feet
Red Red
100 feet and below Black Topographic Terrain
B. or Departure Mode, terrain that is greater than or equal to 100 feet above the runway elevation is
shown in red or yellow while the terrain less than 100 feet is shown in topographic terrain. When the
aircraft is 700 feet above the runway, terrain coloring gradually transitions to the Enroute Mode.
C. The terrain coloring for the Enroute Mode is depicted below:
Terrain Height* Dedicated Terrain VIEW Terrain Overlay
Above or within 100 feet below
Red Red
100 feet to 500 feet below Yellow Yellow
500 feet to 1500 feet below Dark Green Topographic Terrain
1500 feet to 2500 feet below Light Green Topographic Terrain
More than 2500 feet below Black Topographic Terrain
NOTE: Topographic Terrain color is coloring similar to a Sectional Chart
* or safety threshold, add 100 feet
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