{"data":{"id":"us/14-cfr-31.1","jurisdiction":"us","citation":"14 CFR 31.1","heading":"Applicability.","body":"(a) This part prescribes airworthiness standards for the issue of type certificates and changes to those certificates, for manned free balloons.\n(b) Each person who applies under Part 21 for such a certificate or change must show compliance with the applicable requirements of this part.\n(c) For purposes of this part—\n(1) A captive gas balloon is a balloon that derives its lift from a captive lighter-than-air gas;\n(2) A hot air balloon is a balloon that derives its lift from heated air;\n(3) The envelope is the enclosure in which the lifting means is contained;\n(4) The basket is the container, suspended beneath the envelope, for the balloon occupants;\n(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\n(6) The design maximum weight is the maximum total weight of the balloon, less the lifting gas or air.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—AIRCRAFT","PART 31—AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS","Subpart A—General"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-14.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:20Z","sha256":"1fb8034e741eb072a49d6f06e80f65242abe7076fde57a06e56a8ed7f83ae276","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-appendix-e-to-part-29","next":"us/14-cfr-31.12"},"notice":"GroundRules: Original legal text. Not legal advice."}