TM 55-1510-220-CL
7.
AIL HI TORQUE test switch - Engage Check that AIL HI
TORQUE light extinguishes.
8.
HSI heading marker - Move 10° left and right and verify
that flight director and control wheels respond in the
appropriate direction.
9.
Autopilot/yaw damp disengage switch (control wheels) -
Press to first detent and verify that autopilot disengages
(AP DISC annunciator illuminates) and that flight
controls are free.
10.
Autopilot - Engage.
11.
Autopilot pitch-turn control (pedestal extension) -
Command 5° trim UP and verify that manual trim wheel
moves nose up and AP trim light indicates UP trim.
12.
Pitch trim switch (control wheels) - Command nose
down and verify that autopilot disengages and AP TRIM
FAIL and MASTER WARNING annunciator lights
illuminate
NOTE
The AP TRIM FAIL annunciator will extinguish
by pressing the AP/YD disconnect button on the
control wheel to the second detent.
13.
Repeat
steps
9
thru
12
above
using
opposite
commands.
14.
Autopilot- Engage.
15.
HSI heading marker - Move to command a bank on
flight director Indicator.
16.
GO-AROUND switch - Press and verify that GA
annunciator light illuminates, autopilot disengages, and
that flight director Indicator commands a wings-level 7°
nose-up attitude.
P-6
