458 

14 CFR Ch. I (1–1–19 Edition) 

Pt. 60, App. D 

c. Alternative method for control dynam-

ics evaluation. 

(1) An alternative means for validating 

control dynamics for aircraft with hydrau-
lically powered flight controls and artificial 
feel systems is by the measurement of con-

trol force and rate of movement. For each 
axis of pitch, roll, and yaw, the control must 
be forced to its maximum extreme position 
for the following distinct rates. These tests 
are conducted under normal flight and 
ground conditions. 

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