Page 59 - Demo

2.10/43
REV 19
A330
CHINA AIRLINES
REV 19
PAGE 43
NAV FM / GPS POS DISAGREE
– A/C POS....................................................................CHECK
The following procedure is not displayed on the ECAM :
! If the ECAM alert is displayed during takeoff initiation : – Continue takeoff and monitor navigation
! If the ECAM alert is displayed during climb, cruise, or descent :
– Check accuracy on the 0&'8 352* SDJH ! If the ESTIMATED accuracy is below the
REQUIRED accuracy:
– NAV mode and ND ARC / ROSE NAV may be used.
! If the ESTIMATED accuracy is above the REQUIRED accuracy :
– HDG / TRK mode and raw data must be used.
When possible, compare the positions of both FMs with the GPIRS position, on the MCDU POSITION MONITOR page :
! If one FM position agrees with the onside GPIRS
position :
– Use the associated AP / FD
!If not :
– Deselect GPS and use raw data.
! If the ECAM alert is displayed during ILS / LOC approach (LOC green) :
– Continue the approach.
! Df the ECAM alert is displayed during a RNP approach : – Go around if visual references are not sufficient.
Note: - The term “RNP” is based on the PBN (Performance Based Navigation, as per ICAO Manual doc 9613) terminology and includes RNAV(GPS) / RNAV(GNSS) and RNAV(RNP) approaches.
-Due to CI is not authorized to perform RNAV(RNP) approach, flight crew should only perform RNAV(GPS)
/ RNAV(GNSS) approaches.
! If the ECAM alert is displayed during a VOR, VOR-DME, NDB, or NDB-DME approach :
– 6HOHFW +'* RU 75. DQG XVH UDZ GDWD