Aeroelasticity.

CFR · 2024-01-01 · US · Title 14

(a) The airplane must be free from flutter, control reversal, and divergence— (1) At all speeds within and sufficiently beyond the structural design envelope; (2) For any configuration and condition of operation; (3) Accounting for critical degrees of freedom; and (4) Accounting for any critical failures or malfunctions. (b) The applicant must establish tolerances for all quantities that affect flutter.

official document · source cfr-2024 · id 14:§ 23.2245