{"data":{"id":"us-mi/mich.-comp.-laws-259.783","jurisdiction":"us-mi","citation":"Mich. Comp. Laws § 259.783","heading":"Model rockets; requirements prior to launch, operation and flight.","body":"Sec. 3.\n\nA model rocket shall comply with the following requirements prior to its launch, operation and flight:\n\nGross weight, including the model rocket engine, shall not exceed 16 ounces.\n\nNo more than 4 ounces of propellant materials shall be contained in a model rocket engine at the moment of launch.\n\nIt shall be so constructed as to be capable of repeated flights and shall contain means for retarding descent to the ground so that the structure shall not be substantially damaged and no hazard shall be created to persons and property on the ground.\n\nConstruction shall be of wood, plastic, paper, rubber or similar materials and without substantial metal parts.\n\nDesign and construction shall include attached surfaces which will provide aerodynamic stabilizing and restoring forces necessary to maintain a substantially true and predictable flight path.\n\nIt shall not contain any type of explosive or pyrotechnic warhead.","path":["MI Code","Chapter 259","Act Act-333-of-1965"],"source_url":"https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-259-783","current_through":"2026-08-14","vintage":"open-us-law v2026.08, retrieved 2026-09-14","retrieved_at":"2026-09-14T18:32:31Z","sha256":"55bb61c08ec649a70cac97fccd23f3f5fecf9de5a71d538c73afd14b6458cc1e","source_id":"us-mi","stale":false,"prev":"us-mi/mich.-comp.-laws-259.782","next":"us-mi/mich.-comp.-laws-259.784"},"notice":"GroundRules: Original legal text. Not legal advice."}