{"data":{"id":"us/14-cfr-101.22","jurisdiction":"us","citation":"14 CFR 101.22","heading":"Definitions.","body":"The following definitions apply to this subpart:\n(a) Class 1—Model Rocket means an amateur rocket that:\n(1) Uses no more than 125 grams (4.4 ounces) of propellant;\n(2) Uses a slow-burning propellant;\n(3) Is made of paper, wood, or breakable plastic;\n(4) Contains no substantial metal parts; and\n(5) Weighs no more than 1,500 grams (53 ounces), including the propellant.\n(b) Class 2—High-Power Rocket means an amateur rocket other than a model rocket that is propelled by a motor or motors having a combined total impulse of 40,960 Newton-seconds (9,208 pound-seconds) or less.\n(c) Class 3—Advanced High-Power Rocket means an amateur rocket other than a model rocket or high-power rocket.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER F—AIR TRAFFIC AND GENERAL OPERATING RULES","PART 101—MOORED BALLOONS, KITES, AMATEUR ROCKETS, AND UNMANNED FREE BALLOONS","Subpart C— Amateur Rockets"],"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":"fe1b197942901a2f367f72f52b26ae4156ffc079a3833d6c924b505b619442ca","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-101.21","next":"us/14-cfr-101.23"},"notice":"GroundRules: Original legal text. Not legal advice."}