The control surface loads specified in Sec. Sec. 23.397 through 23.459 are assumed to occur in the conditions described in Sec. Sec. 23.331 through 23.351. [Doc. No. 4080, 29 FR 17955, Dec. 18, 1964, as amended by Amdt. 23-48, 61 FR 5145, Feb. 9, 1996]