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SPEEDBRAKES........................................................................................................ Check retracted
L/G................................................................................................................................................UP
When at, or above MSA or Circuit Altitude: Level off for troubleshooting.
GPS ALTITUDE.......................................................................................................Display on MCDU
To be continued on next page
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
NAVIGATION
A318/A319/A320/A321 FLEET PRO-ABN-34 P 138/164
FCOM 19 AUG 10
UNRELIABLE SPEED INDICATION/ADR CHECK PROC - MEMORY ITEMS (Cont'd)
LEVEL-OFF (PITCH & THRUST TABLE)
To level off for troubleshooting :
AP/FD................................................................................................................................OFF
A/THR................................................................................................................................OFF
Note: Check the actual slat/flap config. on ECAM, as flap auto-retraction may occur.
PITCH/THRUST FOR INITIAL LEVEL OFF
SLATS/FLAPS EXTENDED
Above 66 t 66 t - 56 t Below 56 t
CONF Speed Pitch (°)/Thrust (% N1)
3 F 7.0/62.0 7.0/57.9 7.0/53.3
2 F 8.5/61.3 8.5/57.1 8.5/52.7
1 + F S 3.5/62.6 3.5/58.5 3.5/54.2
1 S 7.5/59.1 7.5/55.5 7.5/51.1
CLEAN
FL Speed Pitch (°)/Thrust (% N1)
Below FL 200 250 kt 3.5/62.4 3.0/60.3 2.0/58.8
FL 200 - FL 320 275 kt 2.5/74.3 2.0/72.7 1.5/71.4
Above FL 320 M 0.76 3.0/80.1 2.5/78.6 2.0/76.3
FLYING TECHNIQUE TO STABILIZE SPEED :
Adjust pitch in order to fly the required flight path.
When target pitch is reached, flying intended flight path, adjust thrust to target.
If the aircraft pitch tends to increase, aircraft is slow, then increase thrust;
If the aircraft pitch tends to decrease, aircraft is fast, then decrease thrust.
To be continued on next page
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
NAVIGATION
A318/A319/A320/A321 FLEET PRO-ABN-34 P 139/164
FCOM 19 AUG 10
UNRELIABLE SPEED INDICATION/ADR CHECK PROC - MEMORY ITEMS (Cont'd)
LEVEL-OFF (TROUBLESHOOTING) - WHEN FLIGHT PATH IS STABILIZED
PROBE/WINDOW HEAT.............................................................................................................ON
TECHNICAL RECOMMENDATIONS
Respect Stall Warning.
To monitor speed, refer to IRS Ground Speed or GPS Ground Speed variations.
If remaining altitude indication is unreliable:
Do not use FPV and/or V/S, which are affected.
ATC altitude is affected. Notify the ATC.
Refer to GPS altitude: altitude variations may be used to control level flight, and is an
altitude cue.
Refer to Radio altimeter.
CAUTION If the failure is due to radome destruction, the drag will increase and therefore
N1 must be increased by 5 %. Fuel flow will increase by about 27 %.
AFFECTED ADR IDENTIFICATION
Crosscheck all speed indications and Refer to 99 Duref Cible QRH (for F, S speeds) or Refer
to 99 Duref Cible QRH (for speed in clean CONF):
If at least one ADR is reliable:
Faulty ADR(s)..................................................................................................................OFF
REMAINING AIR DATA........................................................................................ CONFIRM
Alternates sources may be used to evaluate the air data:
‐ GPS altitude
‐ GPS and IRS Ground Speed, taking into account altitude and wind effect.
If affected ADR(s) cannot be identified, or if all ADRs are affected:
ONE ADR...............................................................................................................KEEP ON
Keep one ADR ON to maintain the STALL WARNING protection.
TWO ADRS.....................................................................................................................OFF
This prevents the flight control laws from using two coherent but unreliable ADR data.
LDG CONF........................................................................................................USE FLAP 3
APP SPD................................................................................................................ VLS + 10
LDG DIST PROC....................................................................................................... APPLY
To be continued on next page
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
NAVIGATION
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 10(92)
