Sec. 23.683 - Operation tests.
(a) It must be shown by operation tests
that, when the controls are operated from the pilot compartment with the
system loaded as prescribed in paragraph (b) of this section, the system
is free from --
(2) Excessive friction; and
(3) Excessive deflection.
(b) The prescribed test loads are --
(1) For the entire system, loads
corresponding to the limit airloads on the appropriate surface, or the
limit pilot forces in §23.397(b), whichever are less; and
(2) For secondary controls, loads not
less than those corresponding to the maximum pilot effort established
[Doc. No. 4080, 29 FR 17955, Dec. 18, 1964, as
amended by Amdt. 23-7, 34 FR 13091, Aug. 13, 1969]