TM 1-1510-223-10
Figure 2-35. Standby Attitude Indicator
b.
Caution/Advisory Annunciator Panel. The caution
advisory annunciator panel, located on the center
subpanel
(fig.
2-6
and
2-37),
contains
the
caution/advisory annunciators. The amber caution
annunciators signify a condition requiring pilot attention.
A green advisory annunciator indicates a functional
condition.
Table
2-7
lists
the
caution/advisory
annunciators and their cause for illumination.
c.
Mission
Annunciator
Panel.
The
mission
annunciator panel, located on the right cockpit sidewall
(fig. 4-1), contains mission equipment annunciators and
some annunciators which involve flight operations. Table
2-8 lists the mission annunciators and their cause for
illumination.
d.
Autopilot/EFISIRudder Boost Remote Annunciator
Panel.
Two
autopilot/EFIS/rudder
boost
remote
annunciator panels are provided (one located above the
pilot's and one above the copilot's EADI, fig. 2-38), to
advise the pilot and copilot of certain autopilot, EFIS, and
rudder boost functions, and to select which EFIS is
providing information to the autopilot The functions of this
panel are as follows:
(1) EFIS FAN FAIL annunciator light (amber).
mumination indicates failure of EFIS cooling fan.
(2) Autopilot EFIS selector switch and indicator.
An alternate-action pushbutton switch placarded AP EFIS
1 (green) and AP EFIS 2 (amber) on the pilot's side of the
instrument panel and AP EFIS 1 (amber) and AP EFIS 2
(green) on the copilot's side (indicator only), allows
selection of information from EFIS # 1 or EFIS #2 for
controlling the autopilot
(3) Autopilot/yaw damper annunciator light A split
annunciator light (green) placarded AP ENG and YD
ENG, illuminates to indicate that the autopilot and/or yaw
damper is engaged.
(4) Rudder boost/autopilot trim annunciator. The
upper half of this split annunciator, placarded RUDDER
BOOST (amber), illuminates to indicate that the rudder
boost has failed. The lower half of the annunciator,
placarded AP TRIM (amber), illuminates to indicate that
the autopilot trim has run longer than 5 to 8 seconds.
e.
Annunciator System - General. In the frontal
view, the annunciator panels present rows of small
opaque rectangular annunciators. Word printing on the
respective indicator identifies the monitored function,
situation, or fault condition, but it cannot be read until the
annunciator is illuminated. Blank annunciators (no word
printing)
are
2-79
