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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).
�� 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.
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 9/32
FCOM 19 AUG 10
AIME is available worldwide, if 24 GPS satellites or more are operative. If the number of
GPS satellites is 23 or less, check AIME availability using the approved version of the Litton
ground-based AIME prediction software.
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.
Applicable to:
GUIDANCE FOR RNAV APPROACHES
Two different approach strategies are available to perform RNAV approaches :
1. Lateral guidance, managed by the FM, and vertical guidance selected by the crew : NAV-FPA
(or NAV-V/S) modes.
This strategy applies, when LNAV ONLY (Lateral Navigation only) RNAV approach is intended.
2. Lateral and vertical guidance, managed by the FM: FINAL APP mode.
This strategy applies, when LNAV/VNAV (Lateral and Vertical Navigation) RNAV approach is
intended.
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 10/32
FCOM 19 AUG 10
For straight in approaches, the recommended flying reference is FPV, which should be selected
during the initial approach.
Approach procedures including a Pi-CF leg (PROC-T indicated on the MCDU F-PLN) are not
eligible for the use of NAV and FINAL APP modes.
Before starting a RNAV (GPS) approach, two navigation systems must be operative: 2 FMS and
2 GPS.
RNAV approach can be performed in NAV-FPA (or NAV-V/S) modes provided:
The approach stored in the navigation database has been produced ‐ by approved suppliers
　
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