[Code of Federal Regulations] [Title 14, Volume 1] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR31.1] [Page 763] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 31_AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS--Table of Contents Subpart A_General Sec. 31.1 Applicability. Subpart A_General Sec. 31.1 Applicability. Subpart B_Flight Requirements 31.12 Proof of compliance. 31.14 Weight limits. 31.16 Empty weight. 31.17 Performance: Climb. 31.19 Performance: Uncontrolled descent. 31.20 Controllability. Subpart C_Strength Requirements 31.21 Loads. 31.23 Flight load factor. 31.25 Factor of safety. 31.27 Strength. 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. Subpart E_Equipment 31.71 Function and installation. Subpart F_Operating Limitations and Information 31.81 General. 31.82 Instructions for Continued Airworthiness. 31.83 Conspicuity. 31.85 Required basic equipment. Appendix A to Part 31--Instructions for Continued Airworthiness Authority: 49 U.S.C. 106(g), 40113, 44701-44702, 44704. Source: Docket No. 1437, 29 FR 8258, July 1, 1964, as amended by Amdt. 31-1, 29 FR 14563, Oct. 24, 1964, unless otherwise noted. (a) This part prescribes airworthiness standards for the issue of type certificates and changes to those certificates, for manned free balloons. (b) Each person who applies under Part 21 for such a certificate or change must show compliance with the applicable requirements of this part. (c) For purposes of this part-- (1) A captive gas balloon is a balloon that derives its lift from a captive lighter-than-air gas; (2) A hot air balloon is a balloon that derives its lift from heated air; (3) The envelope is the enclosure in which the lifting means is contained; (4) The basket is the container, suspended beneath the envelope, for the balloon occupants; (5) The trapeze is a harness or is a seat consisting of a horizontal bar or platform suspended beneath the envelope for the balloon occupants; and (6) The design maximum weight is the maximum total weight of the balloon, less the lifting gas or air. [Doc. No. 1437, 29 FR 8258, July 1, 1964, as amended by Amdt. 31-3, 41 FR 55474, Dec. 20, 1976]