FMS DEGRADED OPERATION
4 FMGC RESETS or FAILURES
2.2. Automatic Double Reset of one FMGC
A reset is termed double when a second reset occurs within one minute
following the first.
As after one reset, internal data of the FM are retrieved from the
memory, the reset "context" has not changed, which can sometimes
result in the same reset a second time.
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 the affected side:
ND: RANGE CHANGE
message (green),
followed by red flag MAP
NOT AVAIL is displayed.
The SET OFFSIDE
RNG/MODE message
(amber) is displayed if t
two ND ranges or mod
selected on the EFIS
control panels are
different. Navaids auto-
tuning is momentarily
lost.
he
es
AP: If engaged, the
onside AP & A/THR may
disconnect and managed
modes revert to selected
modes (HDG-V/S or
TRK/FPA).
Use the other AP as
necessary.
FMA: Indicates auto-
systems degradation.
MAP NOT AVAIL
SET OFFSIDE RNG/MODE
RANGE CHANGE
J43126AA 00
© THALES AVIONICS S.A.
AIRBUS A318/319/320/321
Summary of Contents for FMGS
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