OPERATIONS MANUAL

Navigation Systems
EICAS Messages:
ADF ()
ATC ()
DME ()
G/S ANTENNA ()
ILS ()
IRS ()
IRS AC ()
IRS DC ()
LOC ANTENNA ()
RADIO ALT ()
VOR ()
STATUS MESSAGES
ADF (L or R) failure
transponder (LEFT or RIGHT) failure
DME (L or R) failure
{ gear is down
AND glideslope system (L, C, or R) not switched
from capture antenna to track antenna }
OR
{ gear is up
AND glideslope system (L, C, or R) not switched
from track antenna to capture antenna }
ILS (LEFT, CENTER, or RIGHT) failure
fault in IRU (LEFT, CENTER, or RIGHT)
AC power loss in IRU (LEFT, CENTER, or RIGHT)
DC power loss in IRU (LEFT, CENTER, or RIGHT)
{ flight control computer has not captured localizer
AND localizer system (L, C, or R) not switched
from track antenna to capture antenna }
OR
{ flight control computer has captured localizer
AND localizer system (L, C, or R) not switched
from capture antenna to track antenna }
radio altimeter (LEFT, CENTER, or RIGHT) failure
VOR (L or R) failure
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