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? Press the APPR pb on FCU and confirm G/S is armed.
? Select the FCU altitude above aircraft altitude to avoid unwanted ALT*.
? Select V/S 1 500 ft/min initially. V/S in excess of 2 000 ft/min will result in the speed increasing towards VFE
NORMAL OPERATIONS
ILS APPROACH
A/C high above G/S - Recommended G/S Capture Technique
It is vital to use V/S rather than OP DES to ensure that the A/THR is in speed mode rather than IDLE mode. The rate of descent will be carefully monitored to avoid exceeding VFE . When approaching the G/S, G/S* will engage. The crew will monitor the capture with raw data (pitch and G/S deviation). The go-around altitude will be set on the FCU and speed reduced so as to be configured for landing by 1 000 ft.
In such a situation, taking into account the ground obstacles and if ATC permits, it may be appropriate to carry out a 360 ° turn before resuming the approach.
MISCELLANEOUS
Close to the ground, avoid large down corrections. Give priority to attitude and sink rate. (Refer to NO-160 TAIL STRIKE AVOIDANCE in LANDING section).
In case of a double receiver failure, the red LOC/GS flags are displayed, ILS scales are removed, the AP trips off and the FDs revert to HDG/VS mode.
In case of an ILS ground transmitter failure, the AP/FD with LOC/GS modes will remain ON. This is because such a failure is commonly transient. In such a case, ILS scales and FD bars are flashing. If R/A height is below 200 ft, the red AUTOLAND warning is triggered. If this failure lasts more than several seconds or in case of AUTOLAND warning, the crew must perform a go-around.
ILS RAW DATA
Applicable to: ALL
INITIAL APPROACH
FLYING REFERENCE
The "bird" is to be used as the flying reference. APPROACH PHASE ACTIVATION
The approach technique is the stabilized approach. INTERMEDIATE APPROACH
The TRK index will be set to the ILS course and, once established on the LOC, the tail of the bird
should be coincident with the TRK index. This method allows accurate LOC tracking taking into account the drift.
NORMAL OPERATIONS
ILS APPROACH
Should the LOC deviate, the pilot will fly the bird in the direction of the LOC index, and when
re-established on the LOC, set the tail of the bird on the TRK index again. If there is further LOC deviation, a slight IRS drift should be suspected. The bird is computed out of IRS data. Thus, it may be affected by IRS data drift amongst other TRK. A typical TRK error at the end of the flight is 1 ° to 2 °. The ILS course pointer and the TRK diamond are also displayed on PFD compass.
FINAL APPROACH
When 1/2 dot below the G/S, the pilot should initiate the interception of the G/S by smoothly flying the FPV down to the glide path angle. The bird almost sitting on the -5 ° pitch scale on PFD, provides a -3 ° flight path angle. Should the G/S deviate, the pilot will make small corrections in the direction of the deviation and when re-established on the G/S, reset the bird to the G/S angle.
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A330/A340 机组训练手册 FCTM Flight Crew Training Manual 1(69)
