TM 1-1520-240-MTF
2-77
IN-FLIGHT (CONT.)
(2) Move the cyclic stick out of detent to the
right (do not operate the centering
devises release button) to generate a
20_
bank angle. Release stick back
into detent. Hold turn for 60_. The newly
acquired bank angle shall be held within
5_. During entry into the turn, the ball
shall not be off-centered by more than
one ball diameter. When stabilized in
the turn, the ball in the turn and slip
indicator shall be centered within 1/2
ball width.
(3) Using cyclic stick, return aircraft to level
attitude. Aircraft shall hold level roll
attitude 3_
and heading within 3_
with controls free. Repeat steps (2) and
(3) banking to the left.
f. Roll beep trim — Check as follows:
(1) While trimmed level, operate the
four-way (conical) switch on the control
stick grip to the right to attain 20_ bank
angle. The aircraft shall respond
smoothly to beep inputs. The system
shall hold the attitude acquired within
5_.
(2) Operate the four-way switch to the left
to attain a 20_
left bank angle. The
system shall hold this angle within 5_.
(3) Return aircraft to level trimmed flight
using the roll beep trim switch.
g. Repeat steps 4.d through 4.f first with NO.
1, then NO. 2 AFCS selected.
h. AFCS SYS SEL — BOTH.
i. Heading select test. Check as follows.
