TM 1-1520-240-MTF
2-66
B HOVER (CONT.)
b. Lateral.
(1) Hover into the wind.
(2) Measure position from copilot’s door
post placard.
(3) 0 to 1/2 inch right of neutral position.
c. Directional.
(1) Hover into the wind.
(2) Measure pedal separation.
(3) 1/2 inch maximum separation.
11. AFCS function check. Conduct from 15 to 20
feet aft wheel height.
NOTE
All of the following tests must be started from
precisely trimmed condition. If this is not done,
unsymmetrical or poor response will result, and
the intent of this test will not be met. The
performance criteria of this test are based on flight
in smooth to light turbulent air.
a. Engagement Error — Check as follows.
(1) AFCS SYSTEM SEL — NO. 1. Move
switch from NO. 1 to OFF, then back to
NO. 1. Check for engagement error.
(2) AFCS SYSTEM SEL — NO. 2. Move
switch from NO. 2 to OFF, then back to
NO. 2. Check for engagement error.
(3) AFCS SYSTEM SEL — BOTH.
b. Pitch axis test. AFCS SYSTEM SEL —
BOTH. Check pitch axis response as
follows:
