{"data":{"id":"us/14-cfr-103.1","jurisdiction":"us","citation":"14 CFR 103.1","heading":"Applicability.","body":"This part prescribes rules governing the operation of ultralight vehicles in the United States. For the purposes of this part, an ultralight vehicle is a vehicle that:\n(a) Is used or intended to be used for manned operation in the air by a single occupant;\n(b) Is used or intended to be used for recreation or sport purposes only;\n(c) Does not have any U.S. or foreign airworthiness certificate; and\n(d) If unpowered, weighs less than 155 pounds; or\n(e) If powered:\n(1) Weighs less than 254 pounds empty weight, excluding floats and safety devices which are intended for deployment in a potentially catastrophic situation;\n(2) Has a fuel capacity not exceeding 5 U.S. gallons;\n(3) Is not capable of more than 55 knots calibrated airspeed at full power in level flight; and\n(4) Has a power-off stall speed which does not exceed 24 knots calibrated airspeed.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER F—AIR TRAFFIC AND GENERAL OPERATING RULES","PART 103—ULTRALIGHT VEHICLES","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":"6efe30d7b0638bd5e9eaec981330a5813bc5b10b5ee04f7216f3189075a22a8e","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-101.39","next":"us/14-cfr-103.3"},"notice":"GroundRules: Original legal text. Not legal advice."}