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