MULTI PHASE
4 FUEL monitoring
FOB (actual Fuel On Board) [3R]
This value is computed from both
FF (Fuel Flow) and FQ (Fuel
Quantity) sensors.
If both sensors are valid /FF+FQ
is displayed, otherwise the valid
sensor remaining is shown (FF or
FQ).
Overwriting FOB eliminates FQ
sensors from computation, /FF is
shown [3R].
Ex: 6 is entered in [3R].
Pressing CLR in [3R] reverts to
normal display.
If FOB is overwritten when FQ is
shown as only sensor used, the
entry is rejected and "SENSOR IS
INVALID" s-pad msg (white) is
triggered.
In case of unreliable FF or FQ
sensors, the affected sensor may
be deselected as follows:
To deselect FF sensor
/FQ [3R] ................. Enter
Line 3R shows FOB computed
using FQ sensor only.
Example next right.
To deselect FQ sensor
/FF [3R].................. Enter
Line 3R shows FOB computed
using FF sensor only.
To restore a deselected sensor:
either use CLR function, or
re-enter / FF+FQ.
FUEL PRED
AT UTC EFOB
EGLL 1747 4.3
EHAM 1829 2.4
GW /CG FOB
63.7 /25.0 5.68/FF+FQ
RTE RSV/% CRZTEMP/TROPO
0.1
/5.0
----°
/35000
FINAL/TIME
1.0
/0030
EXTRA/TIME
1.3/0036
FUEL PRED
AT UTC EFOB
EGLL 1747 4.3
EHAM 1829 2.4
GW /CG FOB
63.7 /25.0 5.68/FF+FQ
RTE RSV/% CRZTEMP/TROPO
0.1
/5.0
----°
/35000
FINAL/TIME
1.0
/0030
EXTRA/TIME
1.3/
6
0036
FUEL PRED
AT UTC EFOB
EGLL 1747 4.3
EHAM 1829 2.4
GW /CG FOB
63.7 /25.0
6.00/FF
RTE RSV/% CRZTEMP/TROPO
0.1
/5.0
----°
/35000
FINAL/TIME
1.0
/0030
EXTRA/TIME
1.3/0036
CLR
FUEL PRED
AT UTC EFOB
EGLL 1747 4.3
EHAM 1829 2.4
GW /CG FOB
63.7 /25.0 5.68/FF+FQ
RTE RSV/% CRZTEMP/TROPO
0.1
/5.0
----°
/35000
FINAL/TIME
1.0
/0030
EXTRA/TIME
1.3/0036
/FQ
FUEL PRED
AT UTC EFOB
EGLL 1747 4.3
EHAM 1829 2.4
GW /CG FOB
63.7 /25.0 5.68/FQ
RTE RSV/% CRZTEMP/TROPO
0.1
/5.0
----°
/35000
FINAL/TIME
1.0
/0030
EXTRA/TIME
1.3/0036
J43126AA 00
© THALES AVIONICS S.A.
AIRBUS A318/319/320/321
Summary of Contents for FMGS
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