Thales FMGS - Software and Database

FMS GENERAL DESCRIPTION
18 FMGS OPERATION
3.4. SOFTWARE AND DATABASE
The different programs and data bases loaded in the FMS are:
− FMS Software.
This program contains the data for the relevant FMS version.
− NAV Database
This database contains navigation database information: Waypoints,
Navaids, Airports, Runways, Airways, Holding Patterns, Company
Routes, Terminal Area Procedures (SID, optional EOSID, STAR,
APPROACH). The data are stored for two successive 28-day cycles.
A part of the NAV data base is customized for the operator. This
concerns area of operation, company routes, alternate routes, and
preferred alternate airports.
− Airline Modifiable Information (AMI)
The AMI file contains software options selected by the operator e.g.:
fuel policy values, printer options, customized AOC options, CO RTE
retention, Default speed below 10000 ft, DIR TO default selection,
THR reduction and ACC heights (All Eng & Eng out), Idle/Perf factors.
− Operational Program Configuration (OPC)
The OPC file is a set of software programs pins. Some options are
chosen by the operator, e.g.: Weight Unit, Length Unit, 2nd ADF
option, GPS option, AOC option, Derated Take Off option, Default
RNP.
− PERF database
The Performance Data Base is a set of Engine /Aerodynamic
/Performance models.
− Magnetic Variation Database (MAG VAR)
This database contains the magnetic variation tables.
These data bases are loaded by maintenance using an external loader
or the offside FM via the cross-load function available on the A/C
STATUS- Software STATUS / XLOAD page.
Each database is identified with a reference number that can be
checked on the MCDU pages - SOFTWARE/STATUS menu.
J43126AA 00
© THALES AVIONICS S.A.
AIRBUS A318/319/320/321