Federal Aviation Regulations
Sec. 29.181 — Dynamic stability: Category A rotorcraft.
Any short-period oscillation occurring at any speed from VYto VNEmust be positively damped with the primary flight controls free and in a fixed position.[Amdt. 29–24, 49 FR 44437, Nov. 6, 1984]
NEXT: Sec. 29.231 - General.
PREVIOUS: Sec. 29.177 - Static directional stability.