A320/A321 FLIGHT CREW TRAINING MANUAL 机组训练手册(24)

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Nose wheel steering is "fly by wire" with no mechanical connection between tiller and nose wheel. The relationship between tiller deflection and nosewheel angle is not linear. Forces are light and care is necessary to make gentle movements on the tiller to avoid unnecessary high rate turns. Very tight turns may be made, but over controlling may be noticeable. When turning at low speed, maintain chosen tiller position and if necessary, accept a tighter turn radius than intended to achieve a smooth turn. The sensitivity of nosewheel steering responses to inputs from rudder pedals or hand wheels reduces as speed increases (FCOM
1.32.20 [Landing Gear - Nosewheel Steering]). Nosewheel steering will not be effective above 130 kts.
When clear of apron, flight control checks may be made. The F/CTL page is automatically displayed on movement of the controls.
ATC clearance may then be received or confirmed, the FMGS and briefing should be modified if there are any changes. When a packs off take-off is planned, the packs should be switched off just prior to completing the before take off checklist.
Complete the Before take off checklist.

06 - COMPLETION STANDARDS
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Monitors and controls ground speed using correct technique.

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Does not exceed maximum taxi speed of 30 kts in a straight line or 10 kts in a sharp turn.

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Makes smooth, progressive use of nose wheel steering.

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Strict application of task-sharing requirements.

07 - COMMON ERRORS
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Excessive thrust application after break release.

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Taxiing too fast.

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Riding the brakes.

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PF distracted by F/CTL page during flight control check.

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Overcontrolling on the tiller leading to scuffing of nose wheel tire.

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To perform a take-off and initial climb to acceleration altitude in accordance with standard procedures.

A319/A320/A321 FLIGHT CREW TRAINING MANUAL  NORMAL OPERATION BRIEFINGS TAKE-OFF  1.02.12  Page 1 
REV 21  MAY 98 

02 - SCHEDULE
Briefing duration : 15 minutes
03 - EQUIPMENT
DOC references :
.  
QRH 3.04 (Normal procedures)

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FCOM 3.02.70 (Thrust lever faults)

.  
FCOM 3.03.12 (SOP’s)

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FCOM 3.04.27 (Flight controls)

.  
FCOM 4.05.30 (FMGS - Take-off)

.  
FCOM Bulletin 22 (Tailstrike)

04 - INSTRUCTOR’S ACTIONS
Briefing of the following key points.
MAIN
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Stabilize engine before setting take-off power

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PNF : check of take-off power.

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Rotate to initial pitch attitude and maintain until SRS established.

SECONDARY

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Rolling take-off recommended.

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No flap retraction until acceleration altitude, speed trend positive and speed target above current airspeed.

.  
Pack operation

05 - TRAINEES’ ACTIONS
While turning onto the runway, it is important not to waste any runway available, and a rolling take-off is recommended. In normal conditions i.e. no strong crosswind or very aft CG, apply half forward stick. This should be progressively reduced to neutral between 80 kts and 100 kts. Start the CHRONO as the take-off roll is commenced.
Set the power in two stages, allowing engines to stabilize at approximately 50% N1/1.05 EPR, before setting FLEX or TOGA power. The engine page will be automatically displayed on the SD. A thrust disagree warning will be triggered if the two FADECs select a different thrust take-off mode on the ground.
A319/A320/A321 FLIGHT CREW TRAINING MANUAL  NORMAL OPERATION BRIEFINGS TAKE-OFF  1.02.12  Page 2 
REV 21  MAY 98 

Ensure FMA annunciation’s are called and a check of the FM position is performed (on ND, airplane symbol is centered on runway). FLEX or TOGA thrust must be achieved before reaching 80 kt. Remember to check power is set correctly and to call "Power Set".
　
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