Thales FMGS - Automatic Single Reset of both Fmgcs

FMS DEGRADED OPERATION
12 FMGC RESETS or FAILURES
2.4. Automatic Single Reset of both FMGCs
INDICATIONS IN THE COCKPIT
On ECAM
− If AP disconnects: Red warning AUTO FLT AP OFF and aural warning,
− If A/THR disconnects: Amber caution AUTO FLT A/THR OFF and aural
warning.
On both sides:
ND: red flag MAP NOT AVAIL is
displayed.
Navaids auto-tuning is momentarily lost.
AP: If engaged, the onside AP & A/THR
may disconnect and managed modes
revert to selected modes (HDG-V/S or
TRK/FPA).
FMA: Indicates auto-systems
degradation.
MCDUs:
May revert momentarily to MCDU MENU page, with:
MAP NOT AVAIL
− FMGC (OWN) prompt in [1L] field,
− SELECT DESIRED SYSTEM scratchpad message (white), or,
− OWN FMGC IN PROCESS scratchpad message (white)
The amber FM FAIL annunciators may illuminate momentarily.
Note
:
During FMGC reset, MCDU keys do not respond for FMS functions but
are available for the other systems.
MCDU MENU
<FMGC (OWN)
<ACARS
<AIDS
<CFDS
RETURN>
SELECT DESIRED SYSTEM
IND RDY FM2 FM1
DESCENT THV001
CRZ OPT REC MAX
----- ----- FL398
<REPORT VDEV=- 350 FT
UPDATE AT
*[ ]
BRG /DIST
303° /23.9 TO EGLL27R
REQUIRED ACCUR ESTIMATED
1.0NM HIGH 0.28NM
OWN FMGC IN PROCESS
FM1 IND RDY
Screens shown are examples
J43126AA 00
© THALES AVIONICS S.A.
AIRBUS A318/319/320/321