Beechcraft C-12C Operator And Technical Reference Manual page 263

1. Crossed Needles
2. Bank Angle Pointer
3. Bank Angle Index
4. Bank Angle Scale
5. Horizon Line
6. CMPTR Flag
7. Miniature Aircraft
When flying coupled to the GPS system,
the CMPTR flag will be in view any time the
steering information
malfunction exists
computer.
(7) Miniature Aircraft.
aircraft with respect to the earth's horizon.
(8) Lateral Deviation Indicator.
localizer deviation information from VOR #1 receiver.
(9) Sphere.
earth's axis at all times.
(10) GYRO Flag. Presence indicates loss of
power to, or low rotational speed of, vertical gyro.
(11) TEST Push Button.
display indicates an additional 10° nose up and 20°
right roll and the GYRO flag is visible.
Figure 3A-10. Pilot's Horizon Reference Indicator
NOTE
is invalid or
in the autopilot
Indicates attitude of
Displays
Remains oriented with the
When pressed,
8. Lateral Deviation Indicator
9. Sphere
10. GYRO Flag
11. TEST Push Button
12. GS Flag
13. Vertical Deviation Indicator
(12) GS Flag. Presence indicates glideslope
information is not being presented on indicator.
(13) Vertical Deviation Indicator.
a
glideslope deviation information from VOR No. 1
receiver.
3A-18. COPILOT'S ATTITUDE INDICATOR.
a. Description. The copilot's attitude indicator
is a flight instrument that indicates the aircraft's
attitude. The indicator is designed to operate through
all attitudes. There are no front panel fuses or circuit
breakers provided for the copilot's attitude indicator.
Refer to Figure 3A-11.
b. Controls/Indicators and Functions.
(1) Bank Angle Scale. Allows measurement
of aircraft bank angle from zero to 90° with marks at
10, 20, 30, 45, 60, and 90°.
(2) Bank Angle Index. Reference indicating
zero-degree bank.
TM 1-1510-218-10
Displays
3A-21