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compliant with ED76/DO200A requirements, or has been validated and is approved by the
operator.
‐ Before starting the approach, the crew must check the lateral FM F-PLN against the published
approach chart using MCDU and ND.
‐ The final approach is laterally and vertically monitored, using the appropriate data: the distance
to the runway or to the MAP versus altitude is the primary means of vertical navigation, the
deviation on the PFD may be unreliable.
RNAV approach can be performed in FINAL APP mode provided:
‐ The approach stored in the navigation database has been produced by approved suppliers
compliant with ED76/DO200A requirements, and the vertical flight path has been validated
by the operator, or, the lateral and vertical flight path has been validated and approved by the
operator.
Note: RNP SAAAR approaches coded in the navigation database must be fully validated by
the operator.
If no minimum OAT is published on the approach chart, the effect of low OAT on obstacle
clearance needs to be evaluated.
The final approach (FAF to runway or MAP), as extracted from ‐ the navigation database and
inserted in the primary F-PLN including altitude constraints, is not revised by the crew.
‐ Before starting the approach, the crew must check the lateral and the vertical FM F-PLN against
the published approach chart, using the MCDU and ND.
‐ The approach trajectory is laterally and vertically intercepted, before the FAF, or equivalent
waypoint in the FM F-PLN, so that the aircraft is correctly established on the final approach
course before starting the descent.
‐ The final approach is laterally and vertically monitored, using the VDEV and appropriate raw
data (distance to the runway, altitude, FPV).
Note: For additional information on recommended flight crew procedures, and on navigation
database flight path validation, Refer to 99 Duref Cible FCOMand the FMGS Pilot's
guide (Refer to PRO-NOR-SRP-01-70 INITIAL APPROACH).
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
NORMAL PROCEDURES
STANDARD OPERATING PROCEDURES - NON PRECISION APPROACH
A318/A319/A320/A321 FLEET PRO-NOR-SOP-19 P 11/32
FCOM 19 AUG 10
�� For RNAV approach WITH GPS PRIMARY
Unless an instrument approach procedure, not requiring GPS PRIMARY, is available at
destination or destination alternate (and at required takeoff alternate, and en route alternate),
the GPS PRIMARY availability must be verified before flight.
RAIM is available worldwide, if 24 or more GPS satellites are operative. If the number of GPS
satellites is 23 or less, check RAIM availability using the approved version of the Honeywell
ground-based prediction software.
If the GPS PRIMARY availability cannot be verified before flight, RAIM availability can be
checked in flight, using the PREDICTIVE GPS MCDU page.
Before starting the approach, check that GPS PRIMARY is available on both MCDUs.
If the GPS PRIMARY LOST indication appears on the ND during the approach, discontinue
the approach, unless:
‐ GPS is not required and navigation accuracy is confirmed against the radio NAVAID raw
data, or
‐ For RNAV approach not requiring GPS, HIGH accuracy appears on the MCDU with the
appropriate RNP value.
‐ If GPS PRIMARY is lost on only one FMGC, the approach can be continued, using the
AP/FD associated to the other FMGC.
If the FM/GPS POS DISAGREE ECAM caution is triggered during the approach, discontinue
the approach.
If the FMS1/FMS2 POS DIFF message is triggered during the approach, discontinue the
approach, unless radio NAVAID raw data is available and indicates correct navigation to
continue the approach by using the AP/FD associated to the non-affected FMGC side.
�� For RNAV approach WITHOUT GPS PRIMARY
Before starting the approach, check the FM position accuracy with radio NAVAID raw data.
Check, in addition, that HIGH accuracy appears on the MCDU with the specified RNP value.
If HIGH accuracy is lost on one FMGC, the approach can be continued with the AP/FD
associated to the other FMGC.
If HIGH accuracy is lost on both FMGCs, discontinue the approach.
If the FMS1/FMS2 POS DIFF message is triggered during the approach, discontinue the
approach, unless radio NAVAID raw data is available and indicates correct navigation to
continue the approach by using the AP/FD associated to the non-affected FMGC side.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
NORMAL PROCEDURES
STANDARD OPERATING PROCEDURES - NON PRECISION APPROACH
A318/A319/A320/A321 FLEET PRO-NOR-SOP-19 P 12/32
FCOM 19 AUG 10
Applicable to:
GUIDANCE FOR RNAV APPROACHES
Two different approach strategies are available to perform RNAV approaches :
　
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