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determine the remaining taxi-out time, allowed for the next flight.
TURNAROUND
If it is anticipated that the maximum available taxi time of 45 min will be exceeded before
the next takeoff, it is recommended to request that maintenance personnel apply Procedure
“C” (see below) during the turnaround. This will allow the use of the maximum allowed taxi time
(45 min) during the next taxi-out.
TAXI-OUT
The following procedures are also summarized in the flow chart below :
�� If icing conditions have been identified, without freezing fog :
During ground operation, when in icing conditions at idle and the OAT is plus 1 °C (34 °F)
or less, it is recommended to apply the following procedure to shed any possible ice on the
fan :
CAUTION If, during thrust increase, the aircraft starts to move, immediately retard the
thrust levers to IDLE.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
POWER PLANT
A330/A340 FLEET PRO-SUP-70 P 18/20
FCOM 19 AUG 10
If ground surface conditions and the environment permit, accelerate the engines to 50 % of
N1 for 10 s at intervals not greater than 1 h.
In addition, perform this engine acceleration also just before take-off, with particular
attention to engine parameters to ensure normal engine operation.
�� If icing conditions have been identified, with freezing fog :
It is recommended to check with the ATC, to determine if the takeoff can be performed
within the total allowed taxi time of 45 min.
�� If the total taxi time is shorter than 45 min:
It is only necessary to shed fan ice. This can be achieved by applying the
above-mentioned ice shedding procedure.
�� If the total taxi time is longer than 45 min:
For every 45 min of cumulative taxi time, apply the following procedure :
�� Procedure A : If : - 7 °C (19 °F) < OAT <1 °C (34 °F)
ATC...................................................................................................................... INFORM
PARKING BRAKE (or brake with pedals)....................................................................ON
CAUTION If, during thrust increase, the aircraft starts to move, immediately retard
the thrust levers to IDLE.
THRUST LEVERS...............................................................................................50 % N1
If ground surface condition and the environment permit, accelerate engines to 50 % N1
for 1 min.
Procedure “A” .......................................................................... Record in the LOGBOOK
�� Procedure B : If : – 20 °C (-4 °F) < OAT ≤ -7 °C (19 degrees F)
ATC...................................................................................................................... INFORM
PARKING BRAKE (or brake with pedals)....................................................................ON
CAUTION If, during thrust increase, the aircraft starts to move, immediately retard
the thrust levers to IDLE.
THRUST LEVERS ..............................................................................................70 % N1
If ground surface conditions and the environment permit, accelerate the engines one
after the other, each to 70 % N1 for 50 s.
Procedure “B”............................................................................Record in the LOGBOOK
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
POWER PLANT
A330/A340 FLEET PRO-SUP-70 P 19/20
FCOM 19 AUG 10
�� Procedure C : If OAT ≤ -20 °C (-4 °F), or if procedures “A” or “B” cannot
be applied (ground surface conditions do not permit the application of the
procedures) :
Request that maintenance manually de-ice the fan and the core engine with hot air
blowers, in accordance with the Aircraft Maintenance Manual.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
POWER PLANT
Intentionally left blank
A330/A340 FLEET PRO-SUP-70 P 20/20
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
TWO ENGINE TAXI
A330/A340 FLEET PRO-SUP-90 P 1/2
FCOM 19 AUG 10
GENERAL
Applicable to:
Except in some operational conditions, (e.g. uphill slopes, slippery taxiways, or high gross weight) it
may be advisable to taxi on two engines.
The flight crew must exercise caution when taxiing on two engines, to avoid generating excessive jet
blast.
The flight crew should use the outer engines for taxiing, to pressurize the green hydraulic system
(normal braking and nosewheel steering), but should consider using the inner engines, if the outer
　
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