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FUEL NO WEIGHT/CG DATA
Applicable to: ALL
L2 This caution is triggered at engine start, if no WEIGHT/CG has been entered by the crew, or
following a successful reset of both FCMCs.
L1WEIGHT/CG........................................................................................................................INITIALIZE
L2 In flight, after a dual FCMC reset, the weight (GW) and CG displayed on the FUEL PRED page
are those computed by the flight envelope part of the FMGEC (FE). However, the FE based GW
may be less accurate. Therefore, when time permits, the GW should be computed by using the
loadsheet ZFW and the ECAM FOB, and re-entered on the MCDU FUEL PRED page.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
FUEL
A330/A340 FLEET PRO-ABN-28 P 81/98
FCOM 19 AUG 10
TRIM TANK FUEL UNUSABLE
Applicable to:
T TANK MODE...........................................................................................................................FWD
T TANK FEED...........................................................................................................................OPEN
�� If TRIM TANK FUEL is still unusable:
OUTR TK XFR......................................................................................................................... ON
The CG moves forward
CTR TK PUMPS.....................................................................................................................OFF
If the center tank is not yet empty, maintain fuel in the aircraft’s center tank by switching off the
pumps. This will reduce the effect of unusable trim tank fuel on the aircraft’s center of gravity.
MAXIMUM FLIGHT TIME..............................................................................................4 HOURS
After 4 h, depending on the fuel distribution, the aft CG limit may be reached.
FOR LANDING
�� If CG > aft CG limit shown below:
APPR SPD.............................................................................................................VLS +10 KT
LDG DIST PROC........................................................................................................... APPLY
Refer to 99 Duref Cible QRH, or Refer to 99 Duref Cible FCOM.
To keep the nosewheel on the runway and prevent the aircraft from sitting on its tail, apply
continuous braking throughout the landing rollout.
To be continued on next page
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
FUEL
A330/A340 FLEET PRO-ABN-28 P 82/98
FCOM 19 AUG 10
TRIM TANK FUEL UNUSABLE (Cont'd)
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
FUEL
A330/A340 FLEET PRO-ABN-28 P 83/98
FCOM 19 AUG 10
TRIM TANK FUEL UNUSABLE
Applicable to:
T TANK MODE...........................................................................................................................FWD
T TANK FEED...........................................................................................................................OPEN
�� If TRIM TANK FUEL is still unusable:
OUTR TK XFR......................................................................................................................... ON
The CG moves forward
MAXIMUM FLIGHT TIME..............................................................................................4 HOURS
After 4 h, depending on the fuel distribution, the aft CG limit may be reached.
FOR LANDING
�� If CG > 39 %:
APPR SPD.............................................................................................................VLS +10 KT
LDG DIST PROC........................................................................................................... APPLY
Refer to 99 Duref Cible QRH, or Refer to 99 Duref Cible FCOM.
To keep the nosewheel on the runway and prevent the aircraft from sitting on its tail, apply
continuous braking throughout the landing rollout.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
FUEL
A330/A340 FLEET PRO-ABN-28 P 84/98
FCOM 19 AUG 10
TRIM TANK FUEL UNUSABLE
Applicable to: ,
T TANK MODE...........................................................................................................................FWD
T TANK FEED...........................................................................................................................OPEN
�� If TRIM TANK FUEL is still unusable:
OUTR TK XFR......................................................................................................................... ON
　
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