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OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
HYDRAULIC
A330/A340 FLEET PRO-ABN-29 P 91/164
FCOM 19 AUG 10
HYD G + B SYS LO PR (Cont'd)
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 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.
L1
ASSOCIATED PROCEDURES
F/CTL ALTN LAW
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 7(174)
