MULTI PHASE
6 FUEL monitoring
In the following example, EGKK
(London Gatwick) is selected for
alternate at EGLL (London
Heathrow), without alternate route
inserted in ACTIVE F-PLN.
ALTERNATES page shows [line 3]:
ALTERNATES
FOR
EGLL
ALTN CO RTE
EGKK
TRK EXTRA DIST
OTHER ALTN
EGKK 152° 3.0 22
EXTRA
{NO ALTN
3.2
<RETURN
THV001 {}
UTC SPD/ALT
------END OF F-PLN------
EGLL
---- ---
/ 80
---F-PLN DISCONTINUITY
—
EGKK
---- ---
/ 250
---END OF ALTN F-PLN----
DEST UTC DIST EFOB
EGLL27R
1625 408 4.3
£$
−
Distance (direct GC) 22 NM,
−
EXTRA fuel 3.0 T, based on this
distance.
FUEL PRED page shows that:
−
Trip fuel for alternate is 0.2 T,
−
RTE + FINAL reserves are 1.1 T.
Therefore total fuel available for
alternate is 1.3 T.
If it is decided that for example 2.0T
are needed to allow for a realistic
track distance, FINAL reserve should
be increased by 0.7 T.
EXTRA will then reflect a correct
value available for holding.
FUEL PRED
AT UTC EFOB
EGLL 1625 4.3
EGKK 1630 4.1
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
3.0/0122
FUEL PRED
AT UTC EFOB
EGLL 1625 4.3
EGKK 1630 4.1
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
3.0/0122
1.7
FUEL PRED
AT UTC EFOB
EGLL 1625 4.3
EGKK 1630 4.1
GW /CG FOB
63.7 /25.0 5.68/FF+FQ
RTE RSV/% CRZTEMP/TROPO
0.1
/5.0
----°
/35000
FINAL/TIME
1.7
/0049
EXTRA/TIME
2.3/0101
J43126AA 00
© THALES AVIONICS S.A.
AIRBUS A318/319/320/321
Summary of Contents for FMGS
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