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Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
190-01255-00 Rev B78
FLIGHT INSTRUMENTS
2.4 ABNORMAL OPERATIONS
ABNORMAL GPS CONDITIONS
TheannunciationslistedinTable2-3canappearontheHSIwhenabnormalGPSconditionsoccur.Referto
theFlightManagementSectionformoreinformationonDeadReckoningMode.
Annunciation Location Description
LOI
Lower left of
aircraft symbol
Loss of Integrity Monitoring–GPS integrity is insufficient for the current
phase of flight
INTEG OK
Lower left of
aircraft symbol
Integrity OK–GPS integrity has been restored to within normal limits
(annunciation displayed for 5 seconds)
DR
Upper right of
aircraft symbol
Dead Reckoning–System is using projected position rather than GPS position
to compute navigation data and sequence active flight plan waypoints
Table 2-4 Abnormal GPS Conditions Annunciated on HSI
Figure 2-51 Example HSI Annunciations
InDeadReckoningMode,theCDIisremoved(whenGPSistheselectednavigationsource),andthefollowing
items on the PFD are then shown in yellow:
•CurrentTrackBug
•WindData
•DistancesintheBearingInformationwindows
•GPSbearingpointers
These items should be verified when operating in Dead Reckoning Mode and they become increasingly
inaccurate over time.