190-00709-05 Rev. D
Garmin G1000 Pilot’s Guide for the Socata TBM 850/900
663
APPENDIX A
GIA 63W MESSAGE ADVISORIES (CONT.)
Message
Comments
LOI
– GPS integrity lost. Crosscheck
with other NAVS.
GPS integrity is insufficient for the current phase of flight.
GPS NAV LOST
– Loss of GPS
navigation. Insufficient satellites.
Loss of GPS navigation due to insufficient satellites.
GPS NAV LOST
– Loss of GPS
navigation. Position error.
Loss of GPS navigation due to position error.
GPS NAV LOST
– Loss of GPS
navigation. GPS fail.
Loss of GPS navigation due to GPS failure.
ABORT APR
– Loss of GPS navigation.
Abort approach.
Abort approach due to loss of GPS navigation.
APR DWNGRADE
– Approach
downgraded.
Vertical guidance generated by SBAS is unavailable, use LNAV only minimums.
TRUE APR
– True north approach.
Change HDG reference to TRUE.
Displayed after passing the first waypoint of a true north approach when the nav
angle is set to ‘AUTO’.
GPS1 SERVICE
– GPS1 needs service.
Return unit for repair.
A failure has been detected in the GPS1 and/or GPS2 receiver. The receiver may still
be available. The G1000 system should be serviced.
GPS2 SERVICE
– GPS2 needs service.
Return unit for repair.
NAV1 SERVICE
– NAV1 needs service.
Return unit for repair.
A failure has been detected in the NAV1 and/or NAV2 receiver. The receiver may still
be available. The G1000 system should be serviced.
NAV2 SERVICE
– NAV2 needs service.
Return unit for repair.
NAV1 RMT XFR
– NAV1 remote
transfer key is stuck.
The remote NAV1 and/or NAV2 transfer switch is stuck in the enabled (or “pressed”)
state. Press the transfer switch again to cycle its operation. If the problem persists,
the G1000 system should be serviced.
NAV2 RMT XFR
– NAV2 remote
transfer key is stuck.
G/S1 FAIL
– G/S1 is inoperative.
A failure has been detected in glideslope receiver 1 and/or receiver 2. The G1000
system should be serviced.
G/S2 FAIL
– G/S2 is inoperative.
G/S1 SERVICE
– G/S1 needs service.
Return unit for repair.
A failure has been detected in glideslope receiver 1 and/or receiver 2. The receiver
may still be available. The G1000 system should be serviced when possible.
G/S2 SERVICE
– G/S2 needs service.
Return unit for repair.