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of "L/G GEAR NOT DOWNLOCKED" warning
display.
2. In all cases the free fall system should not be reset
by flight crew on the ground following free fall
extension.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
LANDING GEAR
A330/A340 FLEET PRO-ABN-32 P 35/64
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 (except center landing gear) rather than carry out a
belly landing (the center landing gear cannot be extended by gravity).
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.
JETTISON......................................................................................................................CONSIDER
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 GRVTY EXTN ................................................................................................. CHECK DOWN
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 36/64
FCOM 19 AUG 10
LDG WITH ABNORMAL LG (Cont'd)
It is not permitted to land with a main landing gear in the abnormal position and the center gear
extended. Do not reset the free-fall system, with the landing gear lever selected down and one
main gear not downlocked, to avoid extension of the center gear.
L/G LEVER .............................................................................................................CHECK DOWN
AUTOBRAKE............................................................................................................ DO NOT ARM
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
JETTISON................................................................................................................................OFF
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
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 8(55)
