46 C.F.R. § 174.040 Stability requirements: general.
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Each unit must be designed to have at least 2 inches (50mm) of positive metacentric height in the upright equilibrium position for the full range of drafts, whether at the operating draft for navigation, towing, or drilling afloat, or at a temporary draft when changing drafts.
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PART 174—SPECIAL RULES PERTAINING TO SPECIFIC VESSEL TYPES
Subpart C—Special Rules Pertaining to Mobile Offshore Drilling Units
§ 174.040 Stability requirements: general.
