StacksVerified U.S. regulatory reference

14 CFR §29.551

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Each auxiliary lifting surface must be designed to withstand—
  1. (a)The critical flight loads in §§ 29.337 through 29.341, and 29.351;
  2. (b)the applicable ground loads in §§ 29.235, 29.471 through 29.485, 29.493, 29.505, and 29.521; and
  3. (c)Any other critical condition expected in normal operation.