Pilot's Operating Handbook
Supplement 69
Baro-VNAV approaches
Edition 0 - September 30, 2018
Rev. 0
Page 9.69.10
in AP vertical mode during FD approach with
vertical guidance
PIT
Indicates the loss of vertical integrity signal during LPV or LNAV/VNAV.
This may be indicated by an annunciation change on the HSI.
Symptoms :
- AP mode from GP flashing 5 seconds to PIT
- VDI is flagged and indicates NO GP
► Fly the airplane ◄
Actions
If automatic downgrade to LNAV :
1 - Update minimums as appropriate.
If not :
►Perform a go-around◄
End of procedure.
VDI VDI
or on Approach
Symptoms :
- VDI white or VDI amber at bottom of VDI window.
► Fly the airplane ◄
If possible :
1 - Use LNAV minimums.
If not :
►Perform a go-around◄
End of procedure.
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