14 C.F.R. § 27.737 Skis.
Title 14 - Aeronautics and Space
The maximum limit load rating of each ski must equal or exceed the maximum limit load determined under the applicable ground load requirements of this part.
Title 14: Aeronautics and Space
PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
Subpart D—Design and Construction
Landing Gear
§ 27.737 Skis.