OPERATOR’S
MANUAL
CMA-9000 FLIGHT MANAGEMENT SYSTEM
Page E-2
November 19, 2009
SYSTEM ALERT
MESSAGE
DESCRIPTION ACTION
APPLICABLE
CONFIGURA-TION
2 HOURS GPS
KEY ALERT
The SA/AS GPS key will expire
in two hours.
Enter the new key to avoid
the loss of the GPS
navigation.
EGI interface
ADF CONTROL
LOST
ADF1 CONTROL
LOST
ADF2 CONTROL
LOST
The FMS has detected a failure
of the identified ADF radio or a
failure of the ADF receiver
communication bus.
NOTE: This message will be
triggered only if configured and
will be inhibited in polar area or if
the roll angle is greater than 20
degrees.
Control ADF from another
source.
ADF receiver is no longer
operational, use other
navigation aids.
Advise maintenance
ADF interface
AHRS/IRS HDG
MISMATCH
The FMS detects a difference of
about 6 degrees plus 0.5 times
the absolute value of the roll
angle between AHRS and IRS
provided heading for at least one
second.
Select appropriate source of
heading.
Advise maintenance
If the message is
configured
IRS interface
AHRS interface
AIR DATA LOST
The FMS detects a total loss of
ADC data on the onside and
offside FMSs.
Ensure that ADC is powered.
Verify if the ADC(s) operate(s)
normally.
Advise maintenance.
ADC interface
AMU CONTROL
LOST
The FMS cannot set a radio
volume level or has detected a
failure of the AMU or the AMU
communication bus.
Control the AMU from another
source.
Advise maintenance.
AMU interface
ARM APPROACH
The FMS detects that at 30 nm
to the destination airport, that the
approach mode has not been
enabled (armed).
The FMS repeats the check at 3
nm to the FAF.
Arm the destination airport at
30 nm. Arm the FAF at 3 nm.
Approach mode configured
to MANUAL
ATC CONTROL
LOST
ATC1 CONTROL
LOST
ATC2 CONTROL
LOST
The FMS cannot control the
transponder.
Control transponder from
another source.
Advise maintenance.
ATC transponder interface
ATOS INPUT LOST
The FMS has detected a failure
or a loss of communication from
the ATOS equipment.
Ensure that ATOS is
powered.
Verify that the ATOS operates
normally.
Advise maintenance.
Installations in which the
ATOS equipment is
configured.
CARP ALT NOT
MET
This message is enabled when
the current altitude (AGL) is not
within 150 feet of the Mission
HAT from 60 seconds prior to
reaching the CARP Green Light
(CRP) waypoint until the CARP
Red Light (XTE) waypoint is
sequenced.
Correct altitude to achieve the
mission altitude.
Configurations supporting
CARP/HARP
This page is printed under user's responsibility
and must not be retained for reference