{"data":{"id":"us/14-cfr-437.59","jurisdiction":"us","citation":"14 CFR 437.59","heading":"Key flight-safety event limitations.","body":"(a) A permittee must conduct any key flight-safety event so that the reusable suborbital vehicle's instantaneous impact point, including its expected dispersion, is over an unpopulated or sparsely populated area. At a minimum, a key flight-safety event includes:\n(1) Ignition of any primary rocket engine,\n(2) Any staging event, or\n(3) Any envelope expansion.\n(b) A permittee must conduct each reusable suborbital vehicle flight so that the reentry impact point does not loiter over a populated area.","path":["Title 14—Aeronautics and Space","CHAPTER III—COMMERCIAL SPACE TRANSPORTATION, FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—LICENSING","PART 437—EXPERIMENTAL PERMITS","Subpart C—Safety Requirements"],"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":"aaff9a73e6905068f79463f0e7b36ae17182db430c88b8e167974e85d12b06b0","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-437.57","next":"us/14-cfr-437.61"},"notice":"GroundRules: Original legal text. Not legal advice."}