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Regional Database: Pacific (shaded areas)
Data for known obstacles such as towers, buildings, antennas, etc. is
contained on the same database card as the terrain and airport data.
Presently, there are some 100,000-plus obstacles in the database. As
more information becomes available, Honeywell plans to expand the
obstacle coverage. The current obstacle coverage map can be accessed
at the Internet website: http:\\www.egpws.com.
Obstacles in the database are those known obstacles more than 100
feet AGL, so obstacles of lower height will not produce GA-EGPWS
"Obstacle" alerts or warnings. However, terrain elevations are "rounded"
up to the next 100 feet, so alerting and warning protection is generally
available for known obstacles that are less than 100 feet AGL.
Runway database information in the KGP 560/860 computer contains all
known runways that are 2000 feet in length or longer. This runway data
is used to adjust the alerting and warning functions of the system so as
to provide a dynamic system that is essentially free of nuisance or
unwanted warnings. A list of runways in the database can be accessed
at the Internet website: http:\\www.egpws.com . A notation of the most
recent database version available can also be found there.
TERRAIN INHIBIT SWITCH
The KGP 560/860 GA-EGPWS requires the installation of a "Terrain
Inhibit" switch as part of the system installation. When engaged by the
pilot, this switch will inhibit all visual and aural alerts and warnings asso-
ciated with the GA-EGPWS. Also, an external annunciator lamp is illumi-
Rev 7 Oct/2005
Functions and Features
9
KGP 560/860 Pilot's Guide
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