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Cockpit Reference Guide for the Cirrus SR2x with Perspective Touch+ by Garmin
190-02954-01 Rev. A
91
Flight Management
Flight
Instruments
EIS
Nav/Com/
XPDR/Audio
Flight
Management
Hazar
d
Avoidance
AFCS
Additional
Featur
es
Annun/Alerts
Appendix
Index
Flight
Instruments
EAS
Audio and
CNS
Flight
Management
Hazar
d
Avoidance
AFCS
Additional
Featur
es
Abnormal
Oper
ation
Annun/Alerts
Appendix
Index
Approach
SBAS
Becomes
Unavailable
Description
Action Required Downgrade
LPV
More than 1
min to the FAF
HSI displays approach service
level in amber.
None
N/A
Within 1 min
to the FAF
HSI displays downgraded
approach service level in amber;
VDI displays ‘NO GP’.
2
Acknowledge message
to display Baro VNAV
Glidepath
LNAV/
VNAV
1
At/after the
FAF
HSI displays downgraded
approach service level in
magenta; VDI displays ‘NO GP’.
None
LNAV
1
1
Some approaches may not publish minimums for the downgrade given as an example
in this table. The system will select the appropriate downgrade, if available, for each
published approach as it is derived from the database. If an appropriate downgrade is not
available, the approach should be aborted.
2
System message is generated.
Approach Degradation Behavior
L
oss
of
GPs
on
A
P
uBLished
GPs A
PProAch
If a total loss of GPS positioning occurs while on the final segment of a GPS approach, the
approach service level on the HSI will turn amber, the annunciation ‘UNABLE RNP’ will be
displayed on the PFD, and the ‘Notifications’ Screen will display a system message concerning
the loss of GPS. If the aircraft is at or beyond the FAF when the condition occurs, a system
message to abort the approach is given. The CDI deviation bar is removed from the HSI and
cannot be restored when GPS positioning is unavailable.
L
oss
of
i
nteGrity
When the system is no longer receiving sufficient GPS integrity while on the final segment
of a GPS approach, the approach service level on the HSI will turn amber, the annunciation
‘GPS LOI’ will be displayed on the PFD, and the ‘Notifications’ Screen will display a system
message concerning the loss of GPS. If the aircraft is at or beyond the FAF when the condition
occurs, a system message to abort the approach is given and the CDI deviation bar is removed
from the HSI. The CDI deviation bar will reappear after acknowledging the system message
to abort the approach.
Loading and Activating an Approach
Loading an approach into the active/standby flight plan:
1)
For the active flight plan: From MFW Home, touch
PROC
.
Or:
For the standby flight plan: From MFW Home, touch
Flight Plan
>
Standby Flight Plan
>
PROC
.
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