Garmin Pilatus PC_6 Guide de l'utilisateur télécharger pdf (Page 89)

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101

190-00870-00 Rev. B

Garmin G950 Pilot’s Guide for the Pilatus PC-6

FLIGHT INSTRUMENTS

SYSTEM

OVERVIEW

FLIGHT

INSTRUMENTS

EIS

AUDIO PANEL

& CNS

FLIGHT

MANAGEMENT

HAZARD

AVOIDANCE

AFCS

ADDITIONAL

FEATURES

APPENDICES INDEX

2.4 ABNORMAL OPERATIONS

ABNORMAL GPS CONDITIONS

The annunciations listed in Table 2-3 can appear on the HSI when abnormal GPS conditions occur; see Figure

2-43 for examples. 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)

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 2-3 Abnormal GPS Conditions Annunciated on HSI

Figure 2-43 Example HSI Annunciations

Dead Reckoning Mode causes the CDI to be removed from the display (when GPS is the selected navigation

source) 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pointers

These items should be veriﬁed when operating in Dead Reckoning Mode as they become increasingly

inaccurate over time.

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Garmin Pilatus PC_6 Guide de l'utilisateur Page 89

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