FLIGHT PHASES
DESCENT 3
6.1. SWITCHING CONDITIONS
The FMGS switches automatically from
CRUISE to DESCENT phase when:
−
Reaching TOP of DESCENT (T/D) as
computed in ACTIVE F-PLN, or,
−
A lower ALT is selected on FCU at less
than 200 NM to DEST (Early Descent),
or,
−
ALT selected on FCU is at or below the
higher of FL 200 or highest DES ALT
CSTR.
FMA
MACH
NAV
MDA
278
AP1
1FD2
A/THR
DES
ALT
DES
ALT
AP1
1FD2
A/THR
MDA
278
NAV
THR IDLE
−
MACH is displayed in case of
early descent, or when F
does not immediately
command idle thrust;
otherwise THR IDLE is
displayed,
MGS
−
DES if managed mode is
engaged, OP DES or V/S if
selected mode is engaged.
See below
MCDU:
PERF page title becomes DES green,
PROG page title becomes DESCENT green.
OP DES
ALT
AP1
1FD2
A/THR
MDA
278
NAV
THR IDLE
V/S
-800
AP1
1FD2
A/THR
MDA
278
NAV
MACH
PROG
DESCENT
THV001
CRZ OPT REC MAX
----- -----
FL392
<REPORT
UPDATE AT
*[ ]
BRG /DIST
336°
/
157.2
TO
EGLL27R
PREDICTIVE
<GPS
GPS PRIMARY
CUR ESTIMATED
REQUIRED AC
2.0
NM
HIGH
0.08NM
DES
ACT MODE UTC DEST EFOB
MANAGED 2119
4.3
CI
30
PRED TO
FL320
MANAGED UTC DIST
.79/293
2050
21
EXPEDITE 2047 6
ACTIVATE
NEXT
{APPR PHASE
PHASE>
PERF
PROG
CRUISE
THV001
CRZ OPT REC MAX
FL360
FL364
FL392
<REPORT
UPDATE AT
*[ ]
IST
BRG /D
336°
/
1
EGLL27R
57.2
TO
PREDICTIVE
<GPS
GPS PRIMARY
REQUIRED ACCUR ESTIMATED
2.0
NM
GH
0.08NM
HI
CRZ
ACT MODE UTC DEST EFOB
MANAGED 2118
3.9
CI
30
TO
(T/D)
MANAGED UTC DIST
.79
2055
70
DES CABIN RATE
-350
FT/MN
ACTIVATE
NEXT
{APPR PHASE
PHASE>
PERF
AIRBUS A318/319/320/321
© THALES AVIONICS S.A.
J43126AA 00
Summary of Contents for FMGS
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