MULTI PHASE
NAVIGATION management & monitoring 51
MANUAL POSITION UPDATE function
This function may be used on to update manually the FMGC position.
It should be used in exceptional cases when GPS is not available or not
installed. It is available on ground or in flight.
Caution:
Unless the update is performed precisely over an identified
position, this procedure is likely to introduce a greater error
than that which it is intended to correct.
Any NAVAID, WPT, RWY or AIRPORT which can be precisely overflown
may be used to update position.
In the following example, a position error is detected: raw data shows
LMG 036°/5.8 NM while map and BRG/DIST shows LMG 102°/23.4 NM.
An UPDATE position overhead LMG VOR will be performed.
CRUISE
THV001
CRZ OPT REC MAX
FL360
FL361
FL389
<REPORT
UPDATE AT
*
[ ]
BRG /DIST
102° /23.4
TO
LMG
PREDICTIVE
<GPS
REQUIRED ACCUR ESTIMATED
2.0
NM
LOW
6.15NM
LMG
UPDATE AT [3L] .............Enter
Enter Navaid ident at which it is
intended to perform the position
update. LAT/LONG, PB/PB, PBD, WPT,
RWY or AIRPORT ident may also be used to update position. Ex: LMG
CRUISE
THV001
CRZ OPT REC MAX
FL360
FL361
FL389
<REPORT
CONFIRM
UPDATE AT
4549.0N/00101.5E LMG*
BRG /DIST
102° /23.4
TO
LMG
PREDICTIVE
<GPS
REQUIRED ACCUR ESTIMATED
2.0
NM
LOW
6.15NM
−
CONFIRM UPDATE AT is shown in [Line 3],
−
Reference coordinates are shown at [3L],
Cross-check with official document,
−
IDENT is shown at [3R], or if defined by LAT/LONG, PB/PB, PBD,
replaced by "ENTRY".
If entered ident is not in NAVdb or pilot-defined file, NEW WAYPOINT or
NEW NAVAID page is displayed.
AIRBUS A318/319/320/321
© THALES AVIONICS S.A.
J43126AA 00
Summary of Contents for FMGS
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