190-01146-00 Rev. A Garmin G950 Pilot’s Guide for the Tecnam P2006T 75FLIGHT INSTRUMENTSSYSTEMOVERVIEW FLIGHTINSTRUMENTS EIS AUDIO PANEL& CNS FLIGHTMANAGEMENT HAZARDAVOIDANCE AFCS ADDITIONALFEATURES APPENDICES INDEX2.4 AbNORMAL OPERATIONSAbNORMAL GPS CONDITIONSThe annunciations listed in Table 2-3 can appear on the HSI when abnormal GPS conditions occur; see Figure2-42 for examples. Refer to the Flight Management Section for more information on Dead Reckoning Mode.Annunciation Location DescriptionLOI Lower left ofaircraft symbolLoss of Integrity Monitoring–GPS integrity is insufficient for the currentphase of flightINTEG OK Lower left ofaircraft symbolIntegrity OK–GPS integrity has been restored to within normal limits(annunciation displayed for 5 seconds)DR Upper right ofaircraft symbolDead Reckoning–System is using projected position rather than GPS positionto compute navigation data and sequence active flight plan waypointsTable 2-3 Abnormal GPS Conditions Annunciated on HSIFigure 2-42 Example HSI AnnunciationsDead Reckoning Mode causes the CDI to be removed from the display (when GPS is the selected navigationsource) and the following items on the PFD to be shown in yellow:• Current Track Indicator• Wind Data• Ground Speed• Distances in the Bearing Information windows• GPS bearing pointersThese items should be verified when operating in Dead Reckoning Mode as they become increasinglyinaccurate over time.
