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‐ No wind conditions
Applicable to: ,
LDG CONF / APPR SPD / LDG DIST COMPUTATION FOR MULTIPLE FAILURES
Only combine PRIMARY or SINGLE failures
Determine the Flaps Lever Position for landing to be selected:
‐ Use the lowest Flaps Lever Position for landing (i.e. if FULL and 3, use 3)
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
MISCELLANEOUS
A330/A340 FLEET PRO-ABN-80 P 50/140
FCOM 19 AUG 10
Compute the VAPP: VAPP = VREF + Δ VREF + APPR COR
Use the highest Δ VREF ‐ to compute VAPP
‐ Determine the APPRoach CORrection (Refer to QRH/ABN-80 VAPP Calculation in the case of
an ABNORMAL/EMERGENCY Configuration)
Compute the LDG DIST:
‐ Determine the applicable LDG DIST factors in the same column (“WITH REV.” or “WITHOUT
REV.”)
‐ Multiply the applicable LDG DIST factors together, unless all values are marked with an asterisk
(*). If all values are marked with an asterisk, use the highest LDG DIST factor. Multiply it
by the additional factor, if any (Refer to QRH/ABN-80 VAPP Calculation in the case of an
ABNORMAL/EMERGENCY Configuration)
‐ Multiply the obtained LDG DIST factor by the ACTUAL LANDING DISTANCE WITHOUT
AUTOBRAKE – CONFIGURATION FULL – without reversers correction (Refer to QRH/FPE-IFL
Landing Distance Without AUTOBRAKE - CONF FULL)
FAILURES
Flaps Lever
Position
For Landing
Δ VREF APPR COR Additional
Factor LDG DIST Factor
FLAPS FAULT
(FLAPS = 3) 3 5 1.25*
NORM BRK FAULT FULL 1.25
3
-5
1.30
RESULT 3 5
5 1.2
1.25 × 1.30 × 1.2 = 1.95
Examples applicable to Dry runways / A/THR ON / No wind / WITHOUT REV:
GW = 180 t/VREF =135 kt. Therefore VAPP = 135+5+5 = 145 kt.
HYPOTHESIS OF COMPUTATION: Δ VREF/LDG DIST FACTORS
The Δ VREF values take into account the necessary corrections due to:
‐ The failure, including SECONDARY(s) failures (as per ECAM definition)
‐ The required Flaps Lever Position for landing
The LDG DIST factors take into account:
‐ An approach speed at VREF + Δ VREF
‐ The SECONDARY(s) failures, including inoperative reverser(s) if any
‐ No wind conditions
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
MISCELLANEOUS
A330/A340 FLEET PRO-ABN-80 P 51/140
FCOM 19 AUG 10
LDG CONF/APPR SPD/LDG DIST ON DRY RUNWAYS
FOLLOWING FAILURES - INTRODUCTION
Applicable to: ALL
INTRODUCTION
Multiply the LDG DIST factors by the ACTUAL LANDING DISTANCE DRY WITHOUT
AUTOBRAKE – CONFIGURATION FULL – without any reversers correction (Refer to
QRH/FPE-IFL Landing Distance Without AUTOBRAKE - CONF FULL).
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
MISCELLANEOUS
A330/A340 FLEET PRO-ABN-80 P 52/140
FCOM 19 AUG 10
LDG CONF/APPR SPD/LDG DIST ON DRY RUNWAYS FOLLOWING FAILURES
Applicable to:
DRY RUNWAYS
LDG DIST Factors
SYS FAILURE
FLAPS
LEVER
POSITION
FOR LDG
Δ VREF
APPR SPD
INCREMENT
DRY
WITHOUT
REV. (2)
DRY
WITH REV.
EMER CONFIG without ice accretion 3 5 1.65 N/A
EMER CONFIG with ice accretion 3 15 1.85 N/A
DC BUS 1+2 FAULT (1)without ice accretion FU3LL 5- 11..5605 11..5505
DC BUS 1+2 FAULT (1)with ice accretion FU3LL 1105 11..7755 11..6705
FULL - 1.15 1.10
ELEC
DC BUS 2 FAULT (1) 3 5 1.15 1.10
(1) Flaps FULL and Flaps 3 are both acceptable positions. Flaps FULL is recommended, but the flight crew may use
Flaps 3, if necessary, for operational reasons.
(2) In case of dispatch with one or more reverser(s) inoperative, use the LDG DIST factors “WITHOUT REV.” whatever
the actual thrust reversers selection at landing.
0 ≤ FLAPS < 1+F 2 25 1.40* 1.30*
1+F ≤ FLAPS < 2 2 10 1.20* 1.15*
FLAPS = 2 2 5 1.15* 1.10*
2 < FLAPS ≤ 3 3 5 1.15* 1.10*
FLAPS FAULT
FLAPS > 3 FULL - 1.10* 1.05*
0 ≤ SLATS < 1 2 35 1.50* 1.40*
SLATS FAULT 1 ≤ SLATS < 2 3 10 1.20* 1.15*
SLATS ≥ 2 3 5 1.15* 1.10*
0 ≤ FLAPS < 1+F 1 50 1.75* 1.60*
1+F ≤ FLAPS < 2 1+F 35 1.50* 1.40*
0 ≤ SLATS < 1 2 ≤ FLAPS ≤ 3 2 35 1.50* 1.40*
FLAPS > 3 FULL 30 1.45* 1.35*
0 ≤ FLAPS < 1+F 2 25 1.40* 1.30*
1+F ≤ FLAPS < 2 2 10 1.20* 1.15*
1 ≤ SLATS < 2 2 ≤ FLAPS ≤ 3 2 10 1.20* 1.15*
FLAPS > 3 3 5 1.15* 1.10*
0 ≤ FLAPS < 1+F 2 25 1.40* 1.30*
1+F ≤ FLAPS < 2 2 10 1.20* 1.15*
　
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