FMS DEGRADED OPERATION
2 OTHER DEGRADED OPERATIONS
4.2. FMS messages
FMS1/FMS2 A/C STS DIFF
FMS1/FMS2 PGM PIN DIFF
UNKNOWN PROGRAM PIN
The above scratchpad messages (white) are displayed when a
difference is detected between FMGCs programs, data bases, or pin-
programming.
This causes the FMSs to go in INDEPENDENT mode.
Access Software and Data Bases is via:
DATA / A/C STATUS page / SOFTWARE STATUS/XLOAD prompt [6R]
field.
Reference of software/data bases are shown on 7 pages:
− 1/7 P/N XLOAD
− 2/7 P/N STATUS – FMS SOFTWARE
− 3/7 P/N STATUS – NAV DATA BASE
− 4/7 P/N STATUS – FM AIRLINE CONFIG
− 5/7 P/N STATUS – FM OPTIONS CONFIG
− 6/7 P/N STATUS – PERF DATA BASE
− 7/7 P/N STATUS – MAG VAR DATA BASE
In the example below, a difference exists between the two NAV data
bases loaded in the FMSs.
A320-200
ENG
CFM56-5-B4
ACTIVE NAV DATA BASE
01JUN-29JUN ASP2040601
SECOND NAV DATA BASE
{04MAY-01JUN
PILOT STORED
02RTES 00RWYS
00WPTS 00NAVS
DELETE ALL}
IDLE/PERF SOFTWARE
+0.0/+0.0 STATUS/XLOAD>
FMS1/FMS2 A/C STS DIFF
FM1 IND RDY FM2
P/N STATUS 3/7
ELEMENT
NAV DATA BASE
FMS1 P/N
THV2040601
FMS2 P/N
THV2040602
<A/C STATUS
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INDEPENDENT OPERATION
J43126AA 00
© THALES AVIONICS S.A.
AIRBUS A318/319/320/321
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