OPERATOR’S
MANUAL
CMA-9000 FLIGHT MANAGEMENT SYSTEM
Page E-26
November 19, 2009
ADVISORY
MESSAGE
DESCRIPTION ACTION
APPLICABLE
CONFIGURA-TION
IRSx CHECK ADC
LTN-92 INS or ADIRS reports
invalid ADC inputs. No usage of
some or all ADC info.
INS/IRS may not be able to
provide baro-inertial altitude data.
Depending of the installation, the
FMS may have lost its only
source of altitude. The
ALTITUDE FAILED message
would then also be displayed.
LTN-92: Take note of INS
maintenance word contents on
appropriate INS MAINT
MESSAGE page.
Advise maintenance.
IRS interface configured
IRSx CHECK REF
INS reports analog output failure.
Verify following INS analog
outputs: attitude, heading, drift
angle, platform heading.
LTN-92: Take note of INS
maintenance word contents on
appropriate INS MAINT
MESSAGE page.
Advise maintenance.
IRS interface configured
IRSx COOL FAIL
ADIRS overheat detected.
Internal temperature exceeds 72
degrees C.
Cycle Mode Selector Unit
through OFF.
Call maintenance.
ADIRS interface configured
IRSx DELAYED
MAINT
LTN-92 INS reports an internal
soft failure.
Take note of INS maintenance
word contents on appropriate
INS MAINT MESSAGE page.
Advise maintenance to service
INU when convenient.
IRS interface configured
IRSx EXCESS
MOTION
LTN-92 INS or ADIRS reports
excessive motion during
alignment phase. ALIGN mode
automatically re-sequences to 10
minutes (32 seconds if in rapid
re-align mode).
Ensure that aircraft remains
stationary during alignment
period.
IRS interface configured
IRSx FAILED
Inertial sensor input failure.
Inertial Navigation mode, heading
and altitude inputs (if applicable)
still available as long as one
inertial sensor is still operating
normally.
Ensure that inertial sensor is
powered.
Verify if inertial sensor
operates normally.
Turn off INU/IRU and advise
maintenance.
LTN-92 INS:
Take note of INS
maintenance word contents
on appropriate INS MAINT
MESSAGE page.
IRS interface configured
IRSx SEC. POWER
WARN
LASEREF V IRS: Upon
detection of the IRS is on
secondary power for more than
10 seconds.
Advice maintenance
IRS interface configured
LEVER ARM
DISCREPANCY
Discrepancy between the lever
arm values in the EGI and the
new values in the FMS.
Verify the lever arm values
and re-enter if necessary.
EGI interface
MAG VAR OUT OF
DATE
Magnetic variation tables out of
date (more than 5 years old).
Message displayed at power-up,
or after loading tables via data
loader.
Advise maintenance to load
up-to-date magnetic variation
tables.
All configurations
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