TM 1-1510-224-10
2-87.
STANDBY MAGNETIC COMPASS.
WARNING
Inaccurate indications on the standby
magnetic compass will occur while
windshield heat, radome anti-ice, air
conditioning, or EFIS are being used
or the sunvisors are in the front
position.
The standby magnetic compass (fig. 2-10), located
below the overhead control panel, is used in the event of
failure of the compass system, and for instrument cross
check. Readings should be taken only during level flight
since
errors
may
be
introduced
by
turning
or
acceleration. A compass correction chart, indicating
deviation factors, is located on the magnetic compass.
2-88.
MISCELLANEOUS INSTRUMENTS.
a.
Warning Annunciator Panel. The warning
annunciator panel, located near the center of the
instrument panel below the glareshield (fig. 2-18 and 2-
41), contains red fault annunciators. Illumination of a red
fault annunciator signifies the existence of a hazardous
condition requiring pilot attention. Table 2-6 lists the red
fault annunciators, and the causes for their illumination.
b.
Caution/Advisory
Annunciator
Panel.
The
caution advisory annunciator panel, located on the
center subpanel (fig. 2-8 and 2-42), 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/EFIS/Rudder
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.
2-43), 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:
AP01522 C
Figure 2-41. Warning Annunciator Panel
2-90
