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The system sets the managed target speed to the long range engine-out cruise at that altitude.
If the aircraft is above the Engine-Out Maximum Altitude (EO REC MAX), the target speed is the
long range engine-out cruise speed at EO REC MAX. The target speed change is gradual, so as to
prevent a strong engine thrust reduction.
• LVR MCT flashes on the Flight Mode Annunciator.
• The performance cruise page appears with the “EO CLR*” (clear engine-out) prompt, and displays
the level off altitude assuming descent and cruise at green dot speed (obstacle strategy).
• The progress page displays “EO REC MAX”.
• The system computes the flight plan predictions down to the primary destination, assuming that
the cruise phase at the lower of CRZ FL or EO REC MAX.
PROCEDURE
Perform the engine-out abnormal procedure.
Refer to 99 Duref Cible FCOM
• For standard strategy, Refer to 99 Duref Cible FCOM.
• For obstacle strategy, Refer to 99 Duref Cible FCOM.
• For fixed strategy (for A330 only), Refer to 99 Duref Cible FCOM.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
OTHER FUNCTIONS - ENGINE OUT
A330/A340 FLEET DSC-22_20-60-40 P 8/10
FCOM 19 AUG 10
Initiate a diversion, if necessary.
Note: ‐ The engine-out descent strategy requires disconnection of the autothrust, and descent
in OPEN DES mode.
Disconnecting the autothrust prevents an automatic setting of THR IDLE, therefore,
the autopilot will fly the target speed in OP DES mode with a thrust manually selected
by the crew.
When reaching the FCU-selected altitude, or whenever normal descent is resumed to
a lower altitude, reengage the autothrust.
‐ DES mode is not available above EO REC MAX.
Approximate increase in fuel consumption compared to all engines operative is :
≤ M .82 or LRC M .83 M .84
Add +15 % +10 % –
ENGINE-OUT IN CRUISE PHASE
Applicable to: ,
The system sets the managed target speed to the long range engine-out cruise at that altitude.
If the aircraft is above the Engine-Out Maximum Altitude (EO REC MAX), the target speed is the
long range engine-out cruise speed at EO REC MAX. The target speed change is gradual, so as to
prevent a strong engine thrust reduction.
• LVR MCT flashes on the Flight Mode Annunciator.
• The performance cruise page appears with the “EO CLR*” (clear engine-out) prompt, and displays
the level off altitude assuming descent and cruise at green dot speed (obstacle strategy).
• The progress page displays “EO REC MAX”.
• The system computes the flight plan predictions down to the primary destination, assuming that
the cruise phase at the lower of CRZ FL or EO REC MAX.
PROCEDURE
Perform the engine-out abnormal procedure.
Refer to 99 Duref Cible FCOM
• For standard strategy, Refer to 99 Duref Cible FCOM.
• For obstacle strategy, Refer to 99 Duref Cible FCOM.
• For fixed strategy (for A330 only), Refer to 99 Duref Cible FCOM.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
OTHER FUNCTIONS - ENGINE OUT
A330/A340 FLEET DSC-22_20-60-40 P 9/10
FCOM 19 AUG 10
Initiate a diversion, if necessary.
Note: ‐ The engine-out descent strategy requires disconnection of the autothrust, and descent
in OPEN DES mode.
Disconnecting the autothrust prevents an automatic setting of THR IDLE, therefore,
the autopilot will fly the target speed in OP DES mode with a thrust manually selected
by the crew.
When reaching the FCU-selected altitude, or whenever normal descent is resumed to
a lower altitude, reengage the autothrust.
‐ DES mode is not available above EO REC MAX.
Approximate increase in fuel consumption compared to all engines operative is 30 %.
ENGINE-OUT IN DESCENT PHASE
Applicable to: ALL
• The managed target speed remains unchanged (ECON DES Mach number or speed, with any
speed limitations).
• “LVR MCT” flashes on the Flight Mode Annunciator.
• The PERF DES page appears, showing the “EO CLR*” prompt.
• The PROG page displays the engine-out maximum altitude (EO REC MAX).
• The descent mode (if engaged) reverts to V/S, if the aircraft is above the EO REC MAX. If not, the
descent mode is maintained.
PROCEDURE
MOVE the thrust lever(s) for the live engine(s) to the MCT detent.
If necessary, SELECT a suitable flight mode for descent.
DISCONNECT the autothrust and ADJUST thrust, if necessary.
Note: The system recomputes the descent and approach paths, based on 2 or 3 engine
　
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