The extreme forward and aft centers of gravity and, where critical, the extreme lateral centers of gravity must be established for each weight established under § 27.25. Such an extreme may not lie beyond—
(a)
The extremes selected by the applicant;
(b)
The extremes within which the structure is proven; or
(c)
The extremes within which compliance with the applicable flight requirements is shown.
Code of Federal Regulations
[Amdt. 27-2, 33 FR 962, Jan. 26, 1968]