APPENDICES
24 MCDU NAMING and DATA FORMAT
DATA NAME
FORMAT
RANGE
(X is input)
UNITS
MCDU PAGE
MACH
.NN
The decimal point is
necessary
Trailing zeros are not
necessary
MAX = MMO
As defined in Perf
model
Mach
Number
PERF CRZ
PERF DES
MACH/SPD
MACH and SPD must
be entered with a
dash between (see
MACH and SPD
formats)
Same as MACH
and SPD
Same as
MACH and
SPD
PERF DES
MDA
NNNNN
Leading zeros may be
omitted
Landing elev –
Landing elev
+5000 ft
ft(MSL)
APPROACH
MDH
Same as MDA
0 – 5000
ft (AGL)
APPROACH
NAVAID
XXXX
Up to 4 alphanumeric
characters may be
entered
Any alphanumeric
N/A
NAVAID
NEW NAVAID
RAD NAV
SELECTED
NAVAID
NEW RUNWAY
OFFSET
NNB or BNN or 0
NN: offset distance
B: direction
Leading zero on
distance may be
omitted
OFST will always be
displayed as BNN
B: L or R
0
≤
NN
≤
50
NM
OFFSET
PERF
FACTOR
±
N.N
Leading or trailing
zero may be omitted
- 9.9 – + 9.9
%
A/C STATUS
PLACE/BRG/
DIST
PLACE: can be any
data base (or pilot
defined) ARPT, RWY
NAVAID or
WAYPOINT.
Entry, without
decimal digit.
An entry of BRG =
360 is displayed as 0.
DIST: is NNN.N
where leading zeros
may be omitted; all 3
parameters must be
entered with “/”
between entries
PLACE – if not in
data base, "NOT
IN DATA BASE" s-
pad msg (white)
is displayed
BRG: must be a 3
digits
BRG = 000 – 360
DIST = 0 – 999.9
N/A
Degrees
NM
F-PLN A/B
SEC
F-PLN A/B
LAT REV
PROG
NEW WPT
DIR TO
PLACE-BRG/
PLACE-BRG
Same as above.
A PLACE–BRG couple
is entered with a
dash in the middle.
2 couples have to be
entered with “/”
between the entries
Same as above
except for PLACE:
in each couple,
PLACE is limited
to 5 characters
Same as
above
F-PLN A/B
SEC
F-PLN A/B
LAT REV
PROG
NEW WPT
DIR TO
J43126AA 00
© THALES AVIONICS S.A.
AIRBUS A318/319/320/321
Summary of Contents for FMGS
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