MULTI PHASE
NAVIGATION management & monitoring 3
7.1. NAVIGATION data
General
The navigation data used by the FMGC are provided by:
−
NAV data base (NAVdb) which is updated periodically (see Part I:
Ch 3.4),
−
PILOT data stored in a dedicated FMS memory.
These pilot-defined data are entered in FMS memory either:
−
Automatically when lateral revisions are made in F-PLN using
LAT/LONG, PBX, PBD, PD, Radial Intercept and abeam WPTs
formats (see Part III: Ch 2.1), or
−
Manually by using PILOTS WAYPOINTS, PILOTS NAVAIDS, PILOTS
RUNWAYS, and PILOTS ROUTES functions as described below.
Memory capacity for these data is limited to 20 waypoints, 20
navaids, 10 runways, 5 routes.
The NAV data base reference is shown on
A/C STATUS page.
Content is customized, according to
operator request, by NAV data base
provider.
NAV data base is identified by a series of
letter and figures used for identification.
Ex: THV1040101
A320-200
ENG
CFM56-5B4
ACTIVE NAV DATA BASE
21JAN-18FEB
THV1040101
SECOND NAV DATA BASE
{24DEC-21JAN
CHG CODE
[ ]
IDLE/PERF SOFTWARE
+0.0/+0.0
STATUS/XLOAD>
−
THV1 is customer ident,
−
04 is for current year,
−
01 is cycle in the current year,
−
01 is reference number in the current cycle,
Operator NAV data base contains only selected data requested by
operator in a defined geographical area including Airports, RWYs,
SIDs/STARs, approach procedures, AWYs as specified.
AIRBUS A318/319/320/321
© THALES AVIONICS S.A.
J43126AA 00
Summary of Contents for FMGS
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