OPERATOR’S
MANUAL
CMA-9000 FLIGHT MANAGEMENT SYSTEM
Page E-10
November 19, 2009
SYSTEM ALERT
MESSAGE
DESCRIPTION ACTION
APPLICABLE
CONFIGURA-TION
INDEPENDENT OP
In a dual/triple-FMS installation,
the identified FMS is now
operating independently of the
off-side FMS(s), because of at
least one of the following
reasons:
Independent mode manually
requested on SETUP 1/1 page.
An inter-FMS communication
failure has occurred.
The Operational Software
programs are not the same in all
FMSs.
The active navigation database
is not the same in all FMSs.
The user database is not the
same in all FMSs.
The tactical approach database
is not the same in all FMSs.
The FMSs have been in a
different phase of flight for more
than thirty seconds.
Any automatically
synchronized item listed in
Section 3-5 of the Operator’s
Manual, dual-FMS
Operations, must be now
performed independently on
each FMS.
1. Clear message.
2. See MESSAGE RECALL
and/or MAINT MESSAGE
page(s) for more details.
Advise mainten-ance.
3. Verify tactical approach
database on IDENT 2/2
page, select appropriate
database if possible,
otherwise advise mainten-
ance.
Multi-FMS installations
INDEPENDENT OP
(cont’d)
4. Verify Op Program on
IDENT 1/1 page and advise
mainten-ance if different.
5. Verify active navigation
database on IDENT 1/1
page, select appropriate
database if possible,
otherwise advise mainten-
ance.
Verify consistency of
altitude input of each FMS.
6. Verify user waypoints list on
the USER WPT LIST X/X
pages and verify the user
routes list on the USER
ROUTES 1/1 page.
7. Verify consistency of
altitude input of each FMS
INS NAV LOST
INS function in EGI has failed on
the onside and offside FMSs.
INS cannot be used for
navigation.
Advise maintenance.
EGI interface
INS/DVS NAV
LOST
No INS/DVS navigation solution
is available due to an INS and a
DVS failure (SIGMA50H EGI
only).
INS/DVS solution cannot be
used for navigation.
Advise maintenance.
•
EGI interface
•
Doppler interface
INS/GPS NAV
LOST
Communication failure with the
EGI on the onside and offside
FMSs.
INS/GPS cannot be used for
navigation.
Advise maintenance.
EGI interface
INS-GPS POS DIFF
Excessive drift of the INS
position with respect to the GPS
position.
Verify aircraft position with a
different sensor. Deselect this
sensor if necessary.
Advise maintenance.
EGI interface without civil
GPS interface
This page is printed under user's responsibility
and must not be retained for reference