U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 14Chapter IPart 31Subpart D - Subpart D—Design Construction
§ 31.31 - General.
§ 31.33 - Materials.
§ 31.35 - Fabrication methods.
§ 31.37 - Fastenings.
§ 31.39 - Protection.
§ 31.41 - Inspection provisions.
§ 31.43 - Fitting factor.
§ 31.45 - Fuel cells.
§ 31.46 - Pressurized fuel systems.
§ 31.47 - Burners.
§ 31.49 - Control systems.
§ 31.51 - Ballast.
§ 31.53 - Drag rope.
§ 31.55 - Deflation means.
§ 31.57 - Rip cords.
§ 31.59 - Trapeze, basket, or other means provided for occupants.
§ 31.61 - Static discharge.
§ 31.63 - Safety belts.
§ 31.65 - Position lights.
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