14 C.F.R. § 29.757 Hull and auxiliary float strength.
Title 14 - Aeronautics and Space
The hull, and auxiliary floats if used, must withstand the water loads prescribed by §29.519 with a rational and conservative distribution of local and distributed water pressures over the hull and float bottom. [Amdt. 29–3, 33 FR 967, Jan. 26, 1968]
Title 14: Aeronautics and Space
PART 29—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT
Subpart D—Design and Construction
Floats and Hulls
§ 29.757 Hull and auxiliary float strength.