A318/A319/A320/A321 机组训练手册 FCTM Flight Crew Training Manual(134)

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Note: Pressing the EO CLR key on the MCDU restores the all engine operative predictions and
performance. Reverting to one engine-out performance again is not possible.
PROCEDURE
As soon as the engine failure is recognized, the PF will simultaneously:
? Set MCT on the remaining engine(s)
? Disconnect A/THR
Then, PF will
? Select the SPEED according to the strategy
? If appropriate, select a HDG to keep clear of the airway, preferably heading towards an alternate. Consideration should be given to aircraft position relative to any relevant critical point
? Select the appropriate engine inoperative altitude in the FCU ALT window and pull for OPEN DES
Then, PF will
? Require the ECAM actions
At high flight levels close to limiting weights, crew actions should not be delayed, as speed will
decay quickly requiring prompt crew response. The crew will avoid decelerating below green dot.
 

  ABNORMAL OPERATIONS
OPERATING TECHNIQUES
A318/A319/A320/A321
FLIGHT CREW TRAINING MANUAL 

 
The A/THR is disconnected to avoid any engine thrust reduction when selecting speed according
to strategy or when pulling for OPEN DES to initiate the descent. With the A/THR disconnected, the target speed is controlled by the elevator when in OPEN DES.
Carrying out the ECAM actions should not be hurried, as it is important to complete the drill correctly. Generally, there will be sufficient time to cross check all actions.
STANDARD STRATEGY
Set speed target M 0.78/300 kt. The speed of 0.78/300 kt is chosen to ensure the aircraft is within the stabilised windmill engine relight in-flight envelope.
The REC MAX EO Cruise altitude, which equates to LRC with anti-icing off, is displayed on the MCDU PROG page and should be set on the FCU. (One engine out gross ceiling at long-range speed is also available in the QRH in case of double FM failure).
If V/S becomes less than 500 ft/min, select V/S - 500 ft/min and A/THR on. This is likely to occur as level off altitude is approached.
Once established at level off altitude, long-range cruise performance with one engine out may be extracted from QRH or Refer to FCOM/PER-CRZ-OEI-GEN-10 PROCEDURE.
 

  ABNORMAL OPERATIONS
OPERATING TECHNIQUES
A318/A319/A320/A321
FLIGHT CREW TRAINING MANUAL 

OBSTACLE STRATEGY
To maintain the highest possible level due to terrain, the drift down procedure must be adopted. The speed target in this case is green dot. The procedure is similar to the standard strategy, but as the speed target is now green dot, the rate and angle of descent will be lower.
The MCDU PERF CRZ page in EO condition will display the drift down ceiling, assuming green dot speed and should be set on FCU. (One engine out gross ceiling at green dot speed is also available in the QRH and FCOM).
　
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