GNS 430 Pilot’s Guide and Reference
SECTION 13 – MESSAGES,
ABBREVIATIONS, & NAV TERMS
13-4
FPL waypoint is locked - At least one flight plan
(FPL) waypoint is locked because the waypoint
has been removed from the current NavData card
(database change), the data card is missing, or the
data card has failed.
FPL waypoint moved - The position data for
one or more flight plan (FPL) waypoints moved at
least 0.33 ar
c minutes in the current NavData card
(database change).
FPL waypoint was deleted - At least one flight
plan (FPL) waypoint is no longer available when
a new NavData card was installed (database
change).
G/S has failed
- The GNS 430 has detected a
failure in its glideslope r
eceiver. The glideslope
receiver is not available and the unit should be
returned to a Garmin dealer for service.
G/S is not responding - Internal system-
to-system communication between the main
processor and the glideslope r
eceiver has failed.
Operational status of the glideslope receiver is
unknown and the unit should be returned to a
Garmin dealer for service.
G/S needs service - The GNS 430 has detected
a failure in its glideslope r
eceiver. The glideslope
receiver may still be usable, but the unit should be
returned (at the earliest convenience) to a Garmin
dealer for service.
GPS has failed - The GNS 430 has detected a
failure in its GPS r
eceiver. The GPS receiver is
not available and the unit should be returned to a
Garmin dealer for service.
GPS is not responding - Internal system-
to-system communication between the main
processor and the GPS r
eceiver has failed.
Operational status of the GPS receiver is unknown
and the unit should be returned to a Garmin
dealer for service.
GPS needs service - The GNS 430 has detected a
failure in its GPS r
eceiver. The GPS receiver may
still be usable, but the unit should be returned (at
the earliest convenience) to a Garmin dealer for
service.
GPS stored data was lost - Satellite almanac,
ephemeris and time data have been lost due to
a memory batter
y failure, system reset, or data
expiration (data over six months old).
Heading input failure - The heading selection
on the external HSI’
s (or CDI’s) OBS course
selector cannot be read properly. A Garmin dealer
may need to check the installation.
Inside airspace - A GPS-calculated position lies
within the boundaries of a special use airspace.
This message is automatically disabled within
30 nm of an arrival airport, when an approach is
loaded.
Invalid closest pt of FPL
- A closest point
cannot be created fr
om the waypoint entered on
the ‘Closest point of flight plan’ window. This
occurs when the selected waypoint is beyond the
limits of all legs in the flight plan, too far away,
or when a unique waypoint name for the closest
point cannot be created.
Invalid FPL modification - An attempt was
made to modify the final course segment (FAF to
MAP) of an instrument appr
oach. The GNS 430
does not allow the modifications.
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