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If system lost by RSVR OVHT:
IF GREEN OVHT OUT:
GREEN ENG 1 + 2 PUMP.......................................... ON
IF BLUE OVHT OUT:
BLUE ENG 1 PUMP.................................................... ON
If HYD not recovered:
BEFORE S/F EXTENSION and if ENG 1 S/D:
BLUE ELEC PUMP.................................................... OFF
Switch OFF the yellow electrical pump to avoid flight
control jerk, in case Engine 1 is additionally lost.
GPWS FLAP MODE (IF S < 2).........................................
....................................................................................OFF
S/F JAMMED PROC..............................................APPLY
FOR LDG (IF S < 2).........................................................
......................................................................USE FLAP 2
FOR LDG (IF S ≥ 2).........................................................
......................................................................USE FLAP 3
FOR L/G GRVTY EXTN:
MAX SPEED..........................................................200 KT
LDG GRVTY EXTN................................................DOWN
INOP SYS
F/CTL PROT
G + B HYD
ANTI SKID
L/G RETRACT
AP 1 + 2
SLATS
L ELEV
MOST SPLRS
REV 1 (PW/RR Eng)
L + R INR AIL
N/W STRG
AUTO BRK
NORM BRK
ALTN BRK
CAT 2
To be continued on next page
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
HYDRAULIC
A330/A340 FLEET PRO-ABN-29 P 76/164
FCOM 19 AUG 10
HYD G + B SYS LO PR (Cont'd)
WHEN L/G DOWNLOCKED:
L/G LEVER.............................................................DOWN
APPR SPD (IF S ≥ 1).......................................................
..................................................................... VLS + 10 KT
Approach speed must be increased, due to the loss of
one elevator.
LDG DIST PROC...................................................APPLY
Refer to 99 Duref Cible QRH or Refer to 99 Duref Cible
FCOM.
ALTN LAW: PROT LOST
CONSIDER RAT MAN USE
See (1)
BRK B ACCU PR ONLY
See (2)
INCREASED FUEL CONSUMP
See (3)
FLAPS SLOW
See (4)
(1) “LC2ONSIDER RAT MAN USE” is not triggered in case of: A green reservoir overheat, or in the
case of a G + B hydraulic system low level.
(2) 7 full brake applications are available.
(3) Fuel consumption increases by approximately 16 %, due to the inner ailerons in the upfloat
position.
(4) Note: Following a blue hydraulic system failure, the parking brake may be inoperative due to
blue accumulator low pressure.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
HYDRAULIC
A330/A340 FLEET PRO-ABN-29 P 77/164
FCOM 19 AUG 10
HYD G + B SYS LO PR
Applicable to:
LAND ASAP
RAT...................................................................................................................................... MAN ON
L2 "RAT MAN ON" is only triggered, in case of a G + B hydraulic system low level.
L1CONSIDER RAT MAN USE
L2 "CONSIDER RAT MAN USE" is not triggered, in case of a green reservoir overheat or a green
hydraulic system low level.
Note: With the RAT extended, the green system is recovered. This permits slat extension
recovery. However, green pressure will be lost when the speed drops below 140 kt.
At a time, the red " G + B SYS LO PR" warning will be triggered again, and antiskid will
be lost. To anticipate the lost of antiskid, the ECAM "HYD B RSVR LO AIR PR/OVHT/LO
LVL" procedure requests to select it OFF. With the RAT extended, fuel consumption
increases by approximately 1 %.
L1MIN RAT SPEED......................................................................................................................140 KT
L2Note: The MIN RAT SPEED .... 140 kt action line is displayed, if the RAT .... MAN ON action
line, or the CONSIDER RAT MAN USE action line, is displayed.
L1 AFFECTED PUMPS......................................................................................................................OFF
SPD BRK.......................................................................................................................DO NOT USE
L2 Due to the loss of one elevator.
L1MANOEUVER WITH CARE
L2 To avoid high hydraulic demand on the remaining system.
Note: As a general rule, do not manually select a HYD ELEC PUMP ON, except temporarily, to
retract the spoilers if they remain out after a hydraulic failure.
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 7(169)
