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ABNORMAL GPS CONDITIONS
The annunciations listed in the followint table can appear on the HSI when abnormal
GPS conditions occur. Refer to the Flight Management Section for more information on
Dead Reckoning (DR) Mode.
Annunciation
GPS LOI
Right of HSI
GPS INTEG OK
Right of HSI
Lower left of
DR
aircraft symbol
DR Mode causes the following items on the PFD to be shown in amber:
• CDI (when GPS is the selected navigation source; removed after 20 minutes in DR
mode operation)
• Current Track Indicator
• Wind data and pointers in the Wind Data Box on the PFD
• GPS bearing pointers
• Distances in the Bearing Information windows
• Active Flight Plan distances, bearings, and ETE values
The accuracy items should be verified when operating in DR Mode.
190-02040-01 Rev. B
Location
Loss of Integrity Monitoring–GPS integrity is insufficient for the
current phase of flight
Integrity OK–GPS integrity has been restored to within normal
limits (annunciation displayed for 5 seconds)
Dead Reckoning–System is using projected position rather than
GPS position to compute navigation data and sequence active
flight plan waypoints
Abnormal GPS Conditions Annunciated on HSI
Example HSI Annunciations
Garmin G1000 NXi Cockpit Reference Guide for the Beechcraft 200/B200 Series
Abnormal Operation
Description
173
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