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to landing.
If a level off is expected during the final approach, perform the approach and landing
in CONF 3.
ABN-80
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AQU3I1CK8 R/AEF3E1RE9N/ACE3 H2A0ND/A B3O2OK1
ABNORMAL AND
EMERGENCY PROCEDURES 30 AUG 10
A318/A319/A320/A321 FLEET MSN 4617
BOMB ON BOARD
IF POSSIBLE, LAND AND EVACUATE THE AIRCRAFT IMMEDIATELY.
If it is not possible to land and evacuate the aircraft within 30 min, apply the
following procedures :
COCKPIT PROCEDURES
BACKGROUND
To avoid the activation of an altitude-sensitive bomb, the cabin altitude should not
exceed the value at
which the bomb has been discovered.
To reduce the effects of the explosion, the aircraft should fly as long as possible with
approximately
1 PSI differential pressure, to help the blast go outwards. 1 PSI differential pressure
corresponds to a
2 500 ft difference between the aircraft and the cabin altitude.
These conditions are achieved by using the manual pressure control.
PROCEDURE
The following procedure assumes that it is initiated during climb or cruise :
First, maintain ‐ the cabin altitude.
‐ While maintaining the cabin altitude, descend the aircraft to the cabin altitude + 2
500 ftand
maintain delta P at 1 PSI .
‐ During further steps of descent, maintain delta P at 1 PSI .
‐ For landing, reduce the differential pressure to zero, until the final approach.
If flight conditions are different, the crew should adapt the procedure, bearing in mind
the
above-mentioned principles (background paragraph).
AIRCRAFT (if
climbing)........................................................................................................ LEVEL
OFF
CABIN PRESS MODE
SEL............................................................................................................. MAN
CAB
ALT................................................................................................................................
MAINTAIN
CABIN
CREW............................................................................................................................
NOTIFY
ATC/COMPANY
OPERATIONS..................................................................................................NOTIFY
FUEL
RESERVES...............................................................................................................DE
TERMINE
Keep in mind that when flying at cabin altitude + 2 500 ft , the fuel consumption in
CONF 1, with
landing gear down, will be about 2.1 times that consumed in clean configuration.
NEXT SUITABLE
AIRPORT............................................................................................... DETERMINE
FCU SPEED SELECTION KNOB...............................................................................
PULL AND TURN
Select the most appropriate speed, taking into account the time to destination, the fuel
consumption
and the fact that low speed could reduce the consequences of possible structural
damage, if the bomb
explodes.
DESCENT TO CAB ALT +2 500 FEET or MEA or minimum obstacle clearance
altitude.......................
.........................................................................................................................................
........ INITIATE
AVOID SHARP MANEUVERS
CAB
ALT................................................................................................................................
MAINTAIN
�� When at CAB ALT+ 2 500 ft:
1 PSI DELTA P................................................................................................................
MAINTAIN
GALLEY.........................................................................................................................
........... OFF
To be continued on next page
ABN-80
3/32
AQU3I1CK8 R/AEF3E1RE9N/ACE3 H2A0ND/A B3O2OK1
ABNORMAL AND
EMERGENCY PROCEDURES 30 AUG 10
A318/A319/A320/A321 FLEET MSN 4617
BOMB ON BOARD (Cont'd)
�� When the bomb is secured at the LRBL or cannot be moved:
EMER EXIT
LT...................................................................................................................... ON
COMMERCIAL...............................................................................................................
...... OFF
FLAPS (fuel permitting)......................................................................................AT
LEAST CONF 1
For landing, use normal configuration.
LANDING GEAR (fuel permitting, except for flight over
water)..............................................DOWN
�� For any other steps of descent:
　
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