14 C.F.R. § 29.341 Gust loads.
Title 14 - Aeronautics and Space
Each rotorcraft must be designed to withstand, at each critical airspeed including hovering, the loads resulting from vertical and horizontal gusts of 30 feet per second.
Title 14: Aeronautics and Space
PART 29—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT
Subpart C—Strength Requirements
Flight Loads
§ 29.341 Gust loads.
