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OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
NAVIGATION
A318/A319/A320/A321 FLEET PRO-ABN-34 P 95/164
FCOM 19 AUG 10
NAV TCAS FAULT (Cont'd)
STATUS
INOP SYS
TCAS
NAV TCAS FAULT
Applicable to: ,
MSN,,,,
L2Crew awareness.
STATUS
INOP SYS
TCAS
NAV RA DEGRADED
Applicable to: , , MSN,,,,
Crew awareness.
L2 If a significant discrepancy occurs in flight between the two radio altimeters, the NAV RA
DEGRADED alert only appears after landing.
NAV TCAS STBY
Applicable to: , , MSN,,,,
Crew awareness.
L2 If the flight crew sets the TCAS on STBY in flight, the NAV TCAS STBY alert appears.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
NAVIGATION
A318/A319/A320/A321 FLEET PRO-ABN-34 P 96/164
FCOM 19 AUG 10
NAV FM/GPS POS DISAGREE
Applicable to:
,
,
MSN,,,,
L2 The FMS and GPS positions differ by more than:
‐ A longitude threshold that depends on the latitude:
‐ 0.5 min for latitude below 55 °
‐ 0.9 min for latitude at, or above, 55 °, and below 70 °
‐ A latitude threshold of 0.5 min, regardless of the latitude.
L1 A/C POS.................................................................................................................................CHECK
The following procedure is not displayed on the ECAM:
If the message occurs during ILS/LOC approach (LOC green):
DISREGARD it.
If the message occurs during climb, cruise, or descent:
CHECK navigation accuracy, using raw data.
If the check is positive:
NAV mode and ND ARC/ROSE NAV may be used.
If the check is negative:
HDG/TRK mode and raw data must be used.
When possible, compare the FM position versus the GPIRS position, on the POSITION
MONITOR page.
If one FM position agrees with the GPIRS position on the POSITION MONITOR page:
Use the associated FD/AP.
If not:
Deselect GPS and revert to basic information.
If the message occurs during a non-precision approach:
Overlay approach:
SELECT HDG, or TRK, and use raw data.
GPS or RNAV approach:
GO AROUND or fly visual, if visual conditions are met.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
NAVIGATION
A318/A319/A320/A321 FLEET PRO-ABN-34 P 97/164
FCOM 19 AUG 10
NAV FM/GPS POS DISAGREE
Applicable to:
L2 The FMS and GPS positions differ by more than:
A longitude threshold ‐ that depends on the latitude:
‐ 0.5 min for latitude below 55 °
‐ 0.9 min for latitude at, or above, 55 °, and below 70 °
‐ A latitude threshold of 0.5 min, regardless of the latitude.
L1 A/C POS.................................................................................................................................CHECK
The following procedure is not displayed on the ECAM:
If the message occurs during ILS/LOC approach (LOC green):
DISREGARD it.
If the message occurs during climb, cruise, or descent:
CHECK navigation accuracy, using raw data.
If the check is positive:
NAV mode and ND ARC/ROSE NAV may be used.
If the check is negative:
HDG/TRK mode and raw data must be used.
Consider switching off the terrain functions of the EGPWS.
When possible, compare the FM position versus the GPIRS position, on the POSITION
MONITOR page.
If one FM position agrees with the GPIRS position on the POSITION MONITOR page:
Use the associated FD/AP.
If not:
Deselect GPS and revert to basic information.
If the message occurs during a non-precision approach:
Overlay approach:
SELECT HDG or TRK, and use raw data.
GPS or RNAV approach:
GO AROUND or fly visual, if visual conditions are met.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
NAVIGATION
A318/A319/A320/A321 FLEET PRO-ABN-34 P 98/164
FCOM 19 AUG 10
NAV ILS 1(2) FAULT
Applicable to:
L2Crew awareness.
STATUS
CAT 1 ONLY INOP SYS
ILS 1(2)
CAT 2
GPWS (1)
(1) (if ILS 1 fault on ground)
NAV ILS 1(2) FAULT
Applicable to: ,
L2Crew awareness.
STATUS
INOP SYS
ILS 1(2)
CAT 2
GPWS (1)
(1) (if ILS 1 fault on ground)
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
NAVIGATION
A318/A319/A320/A321 FLEET PRO-ABN-34 P 99/164
FCOM 19 AUG 10
NAV ILS 1(2) FAULT
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 10(79)
