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? Without DH
The decision to continue does not depend on visual references, even though a minimum RVR
is specified. The decision depends only on the operational status of the aircraft and ground equipment. If a failure occurs prior to reaching the AH, a go-around will be initiated. A go-around must nevertheless be performed if AUTOLAND warning is triggered below AH. However, it is good airmanship for the PF to acquire visual cues during flare and to monitor the roll out.
Loss of visual reference
? With DH before touch down
If decision to continue has been made by DH and the visual references subsequently become inappropriate a go-around must be initiated.
A late go-around may result in ground contact. If touch down occurs after TOGA is engaged, the AP remains engaged in that mode and A/THR remains in TOGA. The ground spoilers and auto-brake are inhibited.
? With DH or without DH after touch down
If visual references are lost after touch down, a go-around should not be attempted. The roll-out should be continued with AP in ROLL OUT mode down to taxi speed.
FLARE/LANDING/ROLL OUT
During the flare, decrab and roll-out, the PF will look outside to assess that the autoland is properly carried out, considering the appropriate visual references.
For CAT II approaches, autoland is recommended. If manual landing is preferred, the PF will take-over at 80 ft at the latest. This ensures a smooth transition for the manual landing. Select maximum reverse at main landing gear touch down.
The use of auto-brake is recommended as it ensures a symmetrical brake pressure application. However, the crew should be aware of possible dissymmetry in case of crosswind and wet runways. The PNF will use standard call out. Additionally, he will advise ATC when aircraft is properly controlled (speed and lateral trajectory).
NORMAL OPERATIONS
PRECISION APPROACH
A318/A319/A320/A321
FLIGHT CREW TRAINING MANUAL
FAILURE AND ASSOCIATED ACTIONS
Applicable to: ALL
As a general rule, if a failure occurs above 1 000 ft AGL, the approach may be continued, ECAM actions completed, approach briefing update performed and a higher DH set if required.
Below 1 000 ft (and down to AH in CAT3 DUAL), the occurrence of any failure implies a go-around and a reassessment of the system capability. Another approach may be under taken according to the new system capability. It has been considered that below 1 000 ft, not enough time is available for the crew to perform the necessary switching, to check system configuration and limitation and brief for minima. In CAT3 DUAL and below AH, as a general rule, a single failure does not necessitate a go-around. A go-around is required if the AUTOLAND warning is triggered.
AUTOLAND IN CAT 1 OR BETTER WEATHER CONDITIONS
Applicable to: ALL
The crew may wish to practice automatic landings in CAT I or better weather conditions for training purposes. This type of approach should be carried out only with the airline authorization. The crew should be aware that fluctuations of the LOC and/or GS might occur due to the fact that protection of ILS sensitive areas, which applies during LVP, will not necessarily be in force. It is essential, therefore, that the PF is prepared to take over manually at any time during a practice approach and rollout, should the performance of the AP become unsatisfactory.
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