Database Advisories - Garmin GPS 175 Pilot's Manual

Messages
6.3

Database Advisories

ADVISORY
<Terrain/Obstacle>
database not
available.
Terrain display
unavailable for
current location.
Verify user-modified
procedures in
stored flight plans
are correct.
Verify airways in
stored flight plan
are correct.
A procedure has
been modified in a
cataloged flight
plan.
Aircraft in area with
large mag var.
Verify all course
angles.
6-4
CONDITION
The indicated database
is unavailable or corrupt.
Terrain database cannot
provide elevation at the
current GPS position.
Aircraft is outside the
database coverage area.
Navigation database
updates and the stored
flight plan contains
user-modified
procedures.
The stored flight plan
contains an airway that
is inconsistent with the
current navigation
database.
Database update causes
flight plan to exceed
100 waypoint limit.
Procedure is removed or
truncated as a result.
Magnetic variation
flagged as unreliable in
the MagVar database.
Typically occurs when
operating at high
latitudes that do not
support a magnetic NAV
angle.
GPS 175/GNX 375 Pilot's Guide
CORRECTIVE ACTION
Re-download and install the
indicated database. Contact a
Garmin dealer for support.
Load appropriate coverage
area onto the external
datacard.
Verify the procedures are
correct.
Verify all airways are correct.
If necessary, reload airways to
the stored flight plan routes.
Verify cataloged flight plan
and procedures are correct. If
necessary, reload procedures
to the stored flight plan
routes.
Verify that the geographical
region supports navigation
based on magnetic variation.
190-02207-02 Rev. 1