Embraer EMB145 - Page 549

AIRPLANE
OPERATIONS
MANUAL
ABNORMAL
PROCEDURES
REVISION 40
1-03-59
Page
13
Code
03
AOM-145/1114
IRS/MSU FAILURE ANNUNCIATION (Continued)
LIGHT
OPERATION PHASE
POWER ON ALIGNMENT IN FLIGHT
ON BATT

Check IRS CB’s.

If the annunciator
remains lighted,
do not takeoff.
*******
 The IRU operates
on backup DC
power and will
operate for 30
minutes.
BATT
FAIL
 Do not takeoff.
******* *******
NO AIR

Do not takeoff.
*******
 Operate IRU until
completion of flight.
 If fault annunciator
is ON or inertial
data ceases to be
transmitted by IRU,
select the
remaining IRU and
set mode select
switch for affected
IRU to OFF. If IRU
is OFF, the
airplane is near the
end of the flight
and additional
attitude reference
is needed, set
mode select switch
to ATT.