FLIGHT PHASES
12 DESCENT
6.3. VARIATIONS
Early Descent (Descent before T/D)
If descent is started within 200 NM from
DEST, FMGS transitions to DESCENT
phase.
If NAV mode is engaged, managed DES
mode may be used.
Ex: start descent at 35 NM to T/D
FCU ALT............... Select/Push
−
FMA switches to MACH / DES,
−
Target speed drops slowly to lower
part of the managed speed range,
−
FMGS adjusts thrust to maintain 1000
ft/mn rate of descent,
−
Vertical deviation symbol moves up,
−
ND: The "broken" blue arrow( )
shows the intercept point where the FMGS profile will be rejoined,
−
PROG page indicates VDEV [2R] from computed profile.
CRZ
ACT MODE UTC DEST EFOB
MANAGED 1823
3.9
CI
30
TO
(T/D)
MANAGED UTC DIST
.79
1800
35
DES CABIN RATE
-350
FT/MN
ACTIVATE
NEXT
{APPR PHASE
PHASE>
=fRMMM=
AP1
1FD2
A/THR
MDA
278
NAV
MACH
DES
ALT
DESCENT
THV001
CRZ OPT REC MAX
----- -----
FL392
<REPORT
VDEV=
-2630
FT
UPDATE AT
*
[ ]
BRG /DIST
320°
/119.9
TO
EGLL27R
PREDICTIVE
<GPS
GPS PRIMARY
REQUIRED ACCUR ESTIMATED
2.0
NM
HIGH
0.08NM
J43126AA 00
© THALES AVIONICS S.A.
AIRBUS A318/319/320/321
Summary of Contents for FMGS
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