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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
A318/A319/A320/A321 FLEET PRO-ABN-34 P 128/164
FCOM 19 AUG 10
UNRELIABLE SPEED INDICATION/ADR CHECK PROC - MEMORY ITEMS (Cont'd)
Refer to 99 Duref Cible QRH, or to the Refer to 99 Duref Cible FCOM.
To return to departure airport:
Keep takeoff configuration preferably.
Refer to PRO-ABN-34-H UNRELIABLE SPEED INDICATION/ADR CHECK PROC -
APPROACHES (PITCH & THRUST TABLES).
To accelerate and clean up after takeoff:
Accelerate and clean up the aircraft in level flight:
THRUST....................................................................................................................CLB
FLAPS.............................................................................................................RETRACT
Retract from 3 or 2 to 1, once CLB thrust is set.
Retract from 1 to 0, when the aircraft pitch is lower than the pitch for S speed (Refer
to PRO-ABN-34-H UNRELIABLE SPEED INDICATION/ADR CHECK PROC -
LEVEL-OFF (PITCH & THRUST TABLE)).
Once in clean configuration, Refer to PRO-ABN-34-H UNRELIABLE SPEED
INDICATION/ADR CHECK PROC - CLIMB/CRUISE/DESCENT (PITCH &
THRUST TABLES),Refer to PRO-ABN-34-H UNRELIABLE SPEED INDICATION/ADR
CHECK PROC - APPROACHES (PITCH & THRUST TABLES) for flight
continuation.
Other cases:
Refer to PRO-ABN-34-H UNRELIABLE SPEED INDICATION/ADR CHECK
PROC - CLIMB/CRUISE/DESCENT (PITCH & THRUST TABLES),Refer
to PRO-ABN-34-H UNRELIABLE SPEED INDICATION/ADR CHECK PROC -
APPROACHES (PITCH & THRUST TABLES) for flight continuation.
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 129/164
FCOM 19 AUG 10
UNRELIABLE SPEED INDICATION/ADR CHECK PROC - MEMORY ITEMS (Cont'd)
CLIMB/CRUISE/DESCENT (PITCH & THRUST TABLES) - CLIMB
Set the thrust to CL.
CLEAN
Above 67 t 67 t - 57 t Below 57 t
FL Speed Pitch (°)/Thrust (% N1)
Below FL 50 10.5/CLB 11.0/CLB 12.5/CLB
FL 50 - FL 100 10.5/CLB 10.0/CLB 11.0/CLB
FL 100 - FL 150 8.0/CLB 8.5/CLB 9.5/CLB
FL 150 - FL 200
250 kt
7.0/CLB 7.0/CLB 7.5/CLB
FL 200 - FL 250 5.0/CLB 5.0/CLB 5.0/CLB
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 10(88)
