GNS 530(A) Pilot’s Guide and Reference
190-00181-00 Rev. H
12-1
SECTION 12
TERRAIN
SECTION 12: TERRAIN
NOTE: GNS 530 units may* display either a
TERRAIN Page or a TAWS Page, (but not both)
depending upon the installed hardware and
configuration.
* Some earlier units are not equipped to support the
TERRAIN and/or TAWS functionality, so therefore will not
have a TERRAIN or TAWS page available.
12.1 INTRODUCTION
Garmin TERRAIN is a
non-TSO-C151b-certified
terrain awareness system incorporated into GNS 530
units to increase situational awareness and aid in
reducing controlled flight into terrain (CFIT). TERRAIN
functionality is a standard feature found in GNS 530 units
with main software version 6.01 or above, along with
appropriate hardware upgrades.
Operating Criteria
TERRAIN requires the following to operate properly:
• The system must have a valid 3-D GPS position
solution.
• The system must have a valid terrain/obstacle/
airport terrain database.
Limitations
NOTE: The data contained in the TERRAIN
databases comes from government agencies.
Garmin accurately processes and cross-validates
the data but cannot guarantee the accuracy and
completeness of the data.
TERRAIN displays terrain and obstructions relative
to the altitude of the aircraft. The displayed alerts are
advisory in nature only. Individual obstructions may
be shown if available in the database. However, all
obstructions may not be available in the database and
data may be inaccurate. Never use this information for
navigation or to maneuver to avoid obstacles.
Terrain information is based on terrain elevation
information in a database that may contain inaccuracies.
Terrain information should be used as an aid to situational
awareness. Never use it for navigation or to maneuver to
avoid terrain.
TERRAIN uses terrain and obstacle information
supplied by government sources. The data undergoes
verification by Garmin to confirm accuracy of the content,
per TSO-C151b. However, the displayed information
should never be understood as being all-inclusive.
Summary of Contents for GNS 530
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