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A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
LANDING GEAR
A330/A340 FLEET PRO-ABN-32 P 39/64
FCOM 19 AUG 10
LDG WITH ABNORMAL LG
Applicable to:
The procedure is intended for use when nose or main landing gear fail to extend or/and lockdown
following the application of L/G GRVTY EXTN procedure.
It is preferable to use any available landing gear, rather than carry out a belly landing.
Under these circumstances, a hard surface runway landing is recommended.
Full advantage should be taken of any foam spread on the runway
PREPARATION
CABIN CREW .................................................................................................................... NOTIFY
Notify the cabin crew of the nature of emergency encountered and state intention. Specify the
amount of time available for preparation.
ATC....................................................................................................................................NOTIFY
Notify ATC of the nature of emergency and state intentions.
Consider fuel reduction to safe minimum. This reduces VREF and as a consequence the load
factor at impact and the energy to be dissipated.
If NOSE L/G abnormal
CG location (if possible)......................................................................................................AFT
10 passengers from front to rear move the CG roughly +2 % aft.
If one MAIN L/G abnormal
FUEL IMBALANCE................................................................................................. CONSIDER
Open all fuel crossfeed valves and switch off the pumps on the side with landing gear
normally extended.
OXYGEN CREW SUPPLY........................................................................................................OFF
SIGNS........................................................................................................................................ON
CABIN and COCKPIT..................................................................................................... PREPARE
‐ Loose equipment secured
‐ Survival equipment prepared
‐ Belts and shoulder harnesses locked.
APPROACH
GPWS SYS............................................................................................................................. OFF
L/G LEVER .............................................................................................................CHECK DOWN
L/G GRVTY EXTN................................................................................................................RESET
AUTOBRAKE............................................................................................................ DO NOT ARM
To be continued on next page
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
LANDING GEAR
A330/A340 FLEET PRO-ABN-32 P 40/64
FCOM 19 AUG 10
LDG WITH ABNORMAL LG (Cont'd)
Manual braking will enable better pitch and roll control. Moreover, with at least one main landing
gear in the abnormal position the autobrake cannot be activated (ground spoilers not armed)
EMER EXIT LT........................................................................................................................... ON
COMMERCIAL.........................................................................................................................OFF
CABIN REPORT..................................................................................................................OBTAIN
T TANK FEED..........................................................................................................................ISOL
A/SKID & N/W STRG .............................................................................................................. OFF
With one main landing gear not extended, the reference speed used by the anti-skid to detect
a wheel blockage is not correctly initialized. As a result, the anti-skid must be switched off the
prevent permanent brake release.
MAX BRAKE PR.............................................................................................................. 1 000 PSI
Modulate the brake pressure to 1 000 PSI because the anti-skid is off.
If one or both MAIN L/G abnormal
GROUND SPOILERS.........................................................................................DO NOT ARM
To keep as much roll authority as possible for maintaining the wings level. Ground spoiler
extension would prevent spoilers from acting as roll surfaces.
BEFORE LANDING
RAM AIR ..................................................................................................................................ON
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 8(57)
