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The selected V/S (or FPA) target is temporarily
abandoned to maintain VLS in climb, or VMAX
in descent.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
MODE REVERSIONS
A330/A340 FLEET DSC-22_30-75 P 14/16
FCOM 19 AUG 10
MODE REVERSIONS (SUMMARY)
Applicable to: ,
REVERSION DUE TO FCU ALTITUDE CHANGES
CONDITIONS ACTION CONSEQUENCE
OP CLB engaged
CLB engaged
FCU selected altitude set below A/C altitude
OP DES engaged
DES engaged
FCU selected altitude set above A/C altitude
ALT* active FCU selected altitude modification (greater than
250 ft)
V/S-FPA engages on current V/S-FPA
REVERSION DUE TO THE LOSS OF NAV MODE
CONDITIONS EVENT CONSEQUENCE
CLB engaged OP CLB engages
DES engaged
Loss of lateral managed mode: NAV
V/S engages
SPEED PROTECTION WHEN FD ORDERS ARE NOT FOLLOWED BY THE FLIGHT CREW
(AP
NOT ENGAGED)
CONDITIONS EVENT CONSEQUENCE
FD ‐ engaged only (no AP) and
‐ OP DES or DES engaged
‐ A/THR active (IDLE thrust)
IAS = VLS-2
(if speedbrakes are
extended between VLS-2
and VLS-19)
FD bars disappear.
If A/THR active, automatic engagement of SPEED mode
on the A/THR.
Thrust increases to recover the speed target.
‐ FD engaged only (no AP) and
‐ OP CLB or CLB engaged
‐ A/THR active (CLIMB thrust)
IAS = VMAX+4
VMAX = VFE or VLE or
VMO/MMO
FD bars disappear.
If A/THR active, automatic engagement of SPEED mode
on the A/THR.
Thrust decreases to recover the speed target.
SPEED PROTECTION DUE TO EXCESSIVE V/S
CONDITIONS EVENT CONSEQUENCE
Excessive V/S or FPA selected in
climb
IAS = VLS
(or VLS-5, if target = VLS)
‐ Excessive V/S or FPA selected
in descent, and
‐ Clean configuration
IAS = VMAX
‐ Excessive V/S or FPA <0
selected in descent, and
‐ Configuration other than clean
IAS = VMAX
The selected V/S (or FPA) target is temporarily
abandoned to maintain VLS in climb, or VMAX
in descent.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
MODE REVERSIONS
A330/A340 FLEET DSC-22_30-75 P 15/16
FCOM 19 AUG 10
ENHANCED MODE REVERSION ALERTNESS
The following sequences, or mode reversions, are highlighted by a triple click:
‐ V/S selection in ALT*
‐ SPD selection in SRS
‐ CLB to OP CLB, upon lateral flight crew action while climbing toward a constraint
‐ ALT* to V/S, upon ALT target change
‐ FD disengagement in OPEN modes
‐ Alerting FMA display when V/S-FPA target is not held
‐ CLB to OP CLB reversion, upon profile loss
‐ Automatic FD re-engagement in basic mode
‐ DES to V/S upon flight plan loss.
‐ FINAL DES to V/S, upon NAV loss
‐ Reversion to V/S when selected ALT crosses the current altitude
‐ Automatic FD re-engagement in basic lateral mode
‐ NAV to HDG, upon NAV loss.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
MODE REVERSIONS
Intentionally left blank
A330/A340 FLEET DSC-22_30-75 P 16/16
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
AP/FD COMMON MODES - GENERAL
A330/A340 FLEET DSC-22_30-80-10 P 1/2
FCOM 19 AUG 10
GENERAL
Applicable to: ALL
These modes are called “common” because they are related to both the lateral and the vertical axes.
The AP/FD common modes are:
On takeoff: Runway/Runway ‐ track associated to SRS vertical modes
‐ In approach: ILS approach (LAND) or non-ILS approach (FINAL APP)
‐ In go around: Go Around Track associated to SRS vertical modes.
These modes are engaged simultaneously on both axes.
COMMON MODES VERTICAL LATERAL
TAKE OFF SRS RWY
RWY TRK
G/S*
G/S
LOC*
ILS APPROACH LAND, FLARE, LOC
ROLL OUT
APPROACH MODES
NON-ILS APPROACH FINAL APP NAV
GO AROUND (GA) SRS GA TRK
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
AP/FD COMMON MODES - GENERAL
Intentionally left blank
A330/A340 FLEET DSC-22_30-80-10 P 2/2
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT GUIDANCE
AP/FD COMMON MODES - TAKEOFF
A330/A340 FLEET DSC-22_30-80-20 P 1/4
FCOM 19 AUG 10
GENERAL
Applicable to: ALL
Takeoff mode combines the SRS (Speed Reference System) vertical mode with the RWY lateral
　
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