FLIGHT CREW TRAINING MANUAL
ABNORMAL OPERATIONS
MISCELLANEOUS
03.090
JAN 09/07
Automatic landing is certified up to MLW, but flight tests have been performed
successfully up to MTOW. In case of emergency, and under crew responsibility,
an automatic landing may be performed up to MTOW provided that the runway
is approved for automatic landing.
Should an overweight landing be required, a long straight in approach, or a wide
visual pattern, should be flown in order to configure the aircraft for a stabilized
approach.
At high weight, the green dot speed for the current configuration may be close
to, or even above the VFE CONF1. In this case, the procedure is to select the
speed to VFE next
5kts (but not below VLS) and then select the next
configuration as the speed decreases through VFE next. As the slats extend,
VLS will reduce. Once completed, speed should then be managed.
While approaching S speed and when selecting flaps 2, the Flap Load Relief
System (FLRS) may be activated and RELIEF is displayed on the EWD Flap/Slat
indication. The flap 2 extension is slightly delayed until the speed gets below the
corresponding VFE CONF2.
The stabilized approach technique should be used, and VAPP established at the
FAF. The speed will be reduced to VLS in the final stages of the approach to
minimize the aircraft energy.
The crew will elect the landing configuration according to "Maximum weight for
go-around in CONF3" table provided in QRH. CONF FULL is preferred for
optimized landing performance. However, if the aircraft weight is above the
maximum weight for go-around, the crew will use CONF3 for landing and 1+F for
go- around. The approach climb gradient limiting weight CONF 1+F is never
limiting.
If a go-around CONF 1+F is carried out, VLS CONF 1+F may be higher than
VLS CONF3+5 kt. The recommendation in such a case is to follow SRS orders
which will accelerate the aircraft up to the displayed VLS. It should be noted,
however, that VLS CONF 1+F equates to 1.23 VS1G whereas the minimum
go-around speed required by regulations is 1.13 VS1G.
This requirement is
always satisfied.
The approach climb gradient limiting weight tables in QRH are provided for
conservative QNH and consequently may slightly differ from FCOM 3.05.35.
The crew should be aware that the transition from -3
˚
flight path angle to go
around climb gradient requires a lot of energy and therefore some altitude loss.
Generally speaking, the maximum brake energy and maximum tire speed limiting
weights are not limiting even in an overweight landing configuration.
Taking into account the runway landing distance available, the use of brakes
should be modulated to avoid very hot brakes and the risk of tire deflation.
ENV A330/A340 FLEET FCTM
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