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amount, ADR 1, ADR 2, and ADR 3 speeds will be in agreement, but incorrect. The following
ECAM procedure avoids that the flight controls use erroneous, but coherent, sources.
L1 If all probes heating is lost on the CAPT and/or F/O and/or STBY side:
PROBE/WINDOW HEAT..........................................................................................................ON
IF UNSUCCESSFUL:
ADR 1(2)(3).............................................................................................................................OFF
L2 Depending on the status of the static, AOA, and TAT heating, the ECAM requires that either
ADR 1, 2 or 3 be switched OFF.
Note: In case of subsequent, significant, speed discrepancy between the 2 remaining ADRs,
the “ADR DISAGREE” ECAM caution will be triggered.
L1 IF ICING EXPECTED:
ADR 2(3).......................................................................................................................... OFF
L2 Depending on the status of the static, AOA, and TAT heating, the ECAM requires that
either ADR 2 or 3 be switched OFF.
L1UNREL SPD PROC.....................................................................................................APPLY
L2 Only one ADR is available, and the corresponding pitot probe may be affected by ice
accretion. Be prepared to use the UNRELIABLE SPEED INDICATION/ADR CHECK PROC
procedure.
L12
ASSOCIATED PROCEDURES
NAV ADR FAULT
Single ADR FAULT or double ADR FAULT ECAM cautions may be triggered, depending on the
number of ADR switched OFF.
L12
ASSOCIATED PROCEDURES
F/CTL ALTN LAW (PROT LOST)
Alternate law becomes active, if:
One ADR has already been switched OFF, and the 2 remaining ‐ ADRs are not in agreement, or
To be continued on next page
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
ICE AND RAIN PROTECTION
A330/A340 FLEET PRO-ABN-30 P 54/56
FCOM 19 AUG 10
ANTI ICE ALL PITOT HEAT (Cont'd)
‐ Two ADRs have been switched OFF.
STATUS
IF ICING EXPECTED:
ADR 2(3) P/B....................................................................OFF
UNREL SPD PROC..................................................... APPLY
INOP SYS
CAPT PITOT
F/O PITOT
STBY PITOT
CAPT PROBES (1)
F/O PROBES (2)
STBY PROBES (3)
(1) (If all CAPT PROBES heating is lost)
(2) (If all F/O PROBES heating is lost)
(3) (If all STBY PROBES heating is lost)
STATUS
IF ICING EXPECTED:
ADR 2(3)...........................................................................OFF
UNREL SPD PROC..................................................... APPLY
INOP SYS
CAPT PITOT
F/O PITOT
STBY PITOT
CAPT PROBES (1)
F/O PROBES (2)
STBY PROBES (3)
(1) (If all CAPT PROBES heating is lost)
(2) (If all F/O PROBES heating is lost)
(3) (If all STBY PROBES heating is lost)
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
ICE AND RAIN PROTECTION
A330/A340 FLEET PRO-ABN-30 P 55/56
FCOM 19 AUG 10
ANTI ICE ALL PITOT HEAT
Applicable to:
L2CAPT, F/O and STBY pitot heating is lost. In case of simultaneous pitot icing and in the same
amount, ADR 1, ADR 2, and ADR 3 speeds will be in agreement, but incorrect. The following
ECAM procedure avoids that the flight controls use erroneous, but coherent, sources.
L1 If all probes heating is lost on the CAPT and/or F/O and/or STBY side:
PROBE/WINDOW HEAT..........................................................................................................ON
IF UNSUCCESSFUL:
ADR 1(2)(3).............................................................................................................................OFF
L2 Depending on the status of the static, AOA, and TAT heating, the ECAM requires that either
ADR 1, 2 or 3 be switched OFF.
Note: In case of subsequent, significant, speed discrepancy between the 2 remaining ADRs,
the “ADR DISAGREE” ECAM caution will be triggered.
L1 IF ICING EXPECTED:
ADR 2(3).......................................................................................................................... OFF
L2 Depending on the status of the static, AOA, and TAT heating, the ECAM requires that
either ADR 2 or 3 be switched OFF.
L1UNREL SPD PROC.....................................................................................................APPLY
L2 Only one ADR is available, and the corresponding pitot probe may be affected by ice
accretion. Be prepared to use the UNRELIABLE SPEED INDICATION/ADR CHECK PROC
procedure.
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 8(39)
