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ABN-34
2/10
AQU3I1CK8 R/AEF3E1RE9N/ACE3 H2A0ND/A B3O2OK1
ABNORMAL AND
EMERGENCY PROCEDURES 30 AUG 10
A318/A319/A320/A321 FLEET
NAV FM / GPS POS DISAGREE
L2 The FMS and GPS positions differ by more than a longitude threshold that
depends on the latitude:
‐ 0.5 min for latitudes below 55 °,
‐ 0.9 min for latitudes at or above 55 °and below 70 °,
‐ or a latitude threshold of 0.5 min, regardless of the latitude.
L1 A/C
POS..................................................................................................................................
.......... CHECK
The following procedure is not displayed on the ECAM:
�� If the message occurs during ILS/LOC approach (LOC green):
DISREGARD it.
�� If the message occurs in climb, cruise, or descent:
CHECK navigation accuracy, using raw data.
�� If the check is positive:
NAV mode and ND ARC/ROSE NAV may be used.
�� If the check is negative:
HDG/TRK mode and raw data must be used.
When possible, compare the FM position versus the GPIRS position, on the
POSITION MONITOR
page:
�� If one FM position agrees with the GPIRS position on the POSITION
MONITOR page:
Use the associated FD/AP.
�� If not:
Deselect GPS and revert to basic information.
�� If the message occurs during a Non Precision Approach (NPA):
�� Overlay approach:
SELECT HDG, or TRK, and use raw data.
�� GPS or RNAV approach:
GO AROUND, or fly visual, if visual conditions are met.
ABN-34
3/10
AQU3I1CK8 R/AEF3E1RE9N/ACE3 H2A0ND/A B3O2OK1
ABNORMAL AND
EMERGENCY PROCEDURES 30 AUG 10
A318/A319/A320/A321 FLEET
EGPWS ALERTS
CAUTION During night or IMC conditions, apply the procedure immediately. Do
not delay reaction for
diagnosis.
During daylight VMC conditions, with terrain and obstacles clearly in sight, the alert
may
be considered cautionary. Take positive corrective action until the alert stops or a safe
trajectory is ensured.
�� "PULL UP" - "TERRAIN TERRAIN PULL UP" - "OBSTACLE
OBSTACLE PULL UP":
Simultaneously:
AP....................................................................................................................................
................. OFF
PITCH.............................................................................................................................
.......... PULL UP
Pull to full backstick and maintain in that position.
THRUST
LEVERS.........................................................................................................................
TOGA
SPEED BRAKES lever..........................................................................................
CHECK RETRACTED
BANK.............................................................................................................WINGS
LEVEL or ADJUST
�� When flight path is safe and the warning stops:
Decrease pitch attitude and accelerate.
�� When speed is above VLS, and vertical speed is positive:
Clean up aircraft as required.
�� “TERRAIN TERRAIN” “TOO LOW TERRAIN”:
Adjust the flight path or initiate a go-around.
�� "CAUTION TERRAIN" - "CAUTION OBSTACLE":
Adjust the flight path. Stop descent. Climb and/or turn, as necessary, based on
analysis of all available
instruments and information.
�� “SINK RATE” “DON’T SINK”:
Adjust pitch attitude and thrust to silence the alert.
�� “TOO LOW GEAR” - “TOO LOW FLAPS”:
Perform a go-around.
�� “GLIDE SLOPE”:
Establish the aircraft on the glideslope, or switch OFF the G/S mode pb-sw, if flight
below the
glideslope is intentional (non precision approach (NPA)).
ABN-34
4/10
AQU3I1CK8 R/AEF3E1RE9N/ACE3 H2A0ND/A B3O2OK1
ABNORMAL AND
EMERGENCY PROCEDURES 30 AUG 10
A318/A319/A320/A321 FLEET
IR ALIGNMENT IN ATT MODE
If IR alignment is lost, the navigation mode is inoperative (red ATT flag on PFD and
red HDG flag on ND).
Aircraft attitude and heading may be recovered by applying the following procedure.
Aircraft must stay level with constant speed during 30 s.
MODE
SELECTOR......................................................................................................................
.............ATT
ALIGN light on for 30 s.
ATT MODE displayed on CDU.
LEVEL A/C
ATTITUDE......................................................................................................................
... HOLD
CONSTANT A/C
SPEED................................................................................................................
　
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