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A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
FLIGHT CONTROLS (FLYING CONDITIONS) - AIRCRAFT TRIMMING
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A330/A340 FLEET PRO-SUP-27-50 P 2/2
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
FUEL SYSTEM
A330/A340 FLEET PRO-SUP-28 P 1/4
FCOM 19 AUG 10
FUEL JETTISON
Applicable to:
GENERAL
WARNING If the jettison procedure is applied following the “ENG FAIL” with tank damage
procedure, the flight crew must comply with the following requirements:
‐ If a fuel leak is present, and weight reduction is essential for landing, once
close to the landing airfield, adopt the following procedure for fuel jettison.
Fuel jettison is provided for quick reduction of aircraft weight in order to:
‐ Comply with the approach and landing climb requirements (not required, if the configuration is
FLAP 3 for landing)
‐ Obtain the normal maximum landing weight (if time permits)
‐ Obtain the planned flight profile in case of engine failure en route.
It is possible to jettison in any convenient configuration and at any speed. When practicable, the
height should be sufficient to avoid contamination on the ground (5 000 ft AGL is considered as
adequate).
Do not jettison in a thunderstorm.
When jettison is performed, avoid flying into the jettisoned flow (which is descending at about
500 ft/min).
Average weight reduction (by jettison only) is 1 000 kg/min (2 200 lb/min).
For the inhibition condition of Jettison operation, please Refer to DSC-28-10-10 DESCRIPTION
Applicable to: ,
GENERAL
Fuel jettison is provided for quick reduction of aircraft weight in order to:
Comply with the approach and landing climb requirements (not ‐ required, if the configuration is
FLAP 3 for landing)
‐ Obtain the normal maximum landing weight (if time permits)
‐ Obtain the planned flight profile in case of engine failure en route.
It is possible to jettison in any convenient configuration and at any speed. When feasible, the
height should be sufficient to avoid contamination on the ground (5 000 ft AGL is considered as
adequate).
Do not jettison in a thunderstorm.
When jettison is performed, avoid flying into the jettisoned flow (which is descending at about
500 ft/min).
Average weight reduction (by jettison only) is 1 000 kg/min (2 200 lb/min).
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
FUEL SYSTEM
A330/A340 FLEET PRO-SUP-28 P 2/4
FCOM 19 AUG 10
For the inhibition conditions of Jettison operation, please Refer to DSC-28-10-10 DESCRIPTION
Applicable to:
AUTOMATIC MODE:
ON MCDU:
FUEL PRED .....................................................................................................................SELECT
JET GW...................................................................................................ENTER THE FINAL GW
ON THE OVERHEAD PANEL:
L+R INR TK SPLIT..................................................................................................................OFF
Re-open the split valves, if previously shut (ENG FAIL with fuel leak procedure).
T TANK MODE....................................................................................................... CHECK AUTO
JETTISON ARM........................................................................................................................ ON
JETTISON ACTIVE................................................................................................................... ON
Note: If T TANK XFR FAULT ECAM warning is triggered, disregard the ECAM procedure.
CAUTION During jettison operation, monitor the CG.
If either the forward or aft takeoff and landing limit is reached, stop jettison.
�� When JETTISON is completed, or to manually stop JETTISON operation:
JETTISON ACTIVE........................................................................................................... OFF
JETTISON ARM................................................................................................................ OFF
Note: 1. Jettison operation is automatically stopped when actual GW reaches the value
inserted in the MCDU.
2. Automatic jettison can be restarted by re-entering JET GW.
Applicable to: ,
AUTOMATIC MODE
ON MCDU:
FUEL PRED .......................................................................................................................SELEC
JET GW...................................................................................................ENTER THE FINAL GW
A330/A340 FLIGHT CREW
OPERATING MANUAL
　
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