14 CFR 437.59
§ 437.59 Key flight-safety event limitations.
United States · 14 CFR — Aeronautics and Space · Status: effective
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- Citation
- 14 CFR 437.59, § 437.59 Key flight-safety event limitations, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/59753
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Full text
(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:
(1) Ignition of any primary rocket engine,
(2) Any staging event, or
(3) Any envelope expansion.
(b) A permittee must conduct each reusable suborbital vehicle flight so that the reentry impact point does not loiter over a populated area.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.