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Terrain Database Information
To function properly HTAWS requires the use of
databases specific to helicopters and HTAWS. The databases
required are:
1)
6 arc-second Terrain Database
2)
Helicopter Obstacle Database
3)
Helicopter Aviation Database including Heliports
Database Updates
Terrain/obstacle databases are updated periodi-
cally with the latest terrain and obstacle data. Visit the
Garmin website to check for newer versions of terrain/
obstacle databases. Compare database cycle numbers to
determine if a newer version is available.
The database update process includes either repro-
gramming or replacing the database card and inserting
the updated card in the right card slot on the unit front
panel. The terrain/obstacle database may be down-
loaded via the internet and the card reprogrammed
All manuals and user guides at all-guides.com
using a USB programmer available from Garmin. Con-
tact Garmin at 800-800-1020 or at
www.garmin.com for more information.
Terrain Database Areas of Coverage
able in each database. Regional definitions may change
without notice.
190-00356-30 Rev H
To update your terrain/obstacle databases:
1.
Acquire a new terrain data card from Garmin.
2.
Turn off the power to the unit.
3.
Remove the old terrain data card and insert the
new card into the right-most slot of the unit.
4.
Turn on the unit and verify that the HTAWS
system passes self-test.
The following describes the area of coverage avail-
Database
Cycle 09T1, and later:
Worldwide (WW)
Latitudes: N90° to S90°
Longitudes: W180° to E180°
Latitudes: 0° to N90°
Americas - North
Longitudes: W180° to W30°
Latitudes: N30° to S90°
Americas - South
Longitudes: W180° to W30°
Latitudes: 0° to N90°
Atlantic - North
Longitudes: W30° to E90°
Latitudes: N30° to S90°
Atlantic - South
Longitudes: W30° to E90°
Latitudes: 0° to N90°
Pacific - North
Longitudes: E60° to E180°
Latitudes: N30° to S90°
Pacific - South
Longitudes: E60° to E180°
Part Four: Section 3
HTAWS Alerts
Coverage Area
53
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