14 CFR § 91.143 - Flight limitation in the proximity of space flight operations.

---
identifier: "/us/cfr/t14/s91.143"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 91.143 - Flight limitation in the proximity of space flight operations."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "91.143"
section_name: "Flight limitation in the proximity of space flight operations."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "F"
subchapter_name: "AIR TRAFFIC AND GENERAL OPERATING RULES"
part_number: "91"
part_name: "GENERAL OPERATING AND FLIGHT RULES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 106(f), 40101, 40103, 40105, 40113, 40120, 44101, 44111, 44701, 44704, 44709, 44711, 44712, 44715,44716, 44717, 44722, 44740, 46306, 46315, 46316, 46504, 46506-46507, 47122, 47508,47528-47531, 47534; Pub. L. 112-95, 126 Stat. 11; Pub. L. 114-190, 130 Stat. 615 (49 U.S.C. 44703 note); sec. 828, Pub. L. 118-63, 138 Stat. 1330 (49 U.S.C. 44703 note); articles 12 and 29 of the Convention on International Civil Aviation, 61 Stat. 1180."
cfr_part: "91"
---


# 91.143 Flight limitation in the proximity of space flight operations.

When a Notice to Airmen (NOTAM) is issued in accordance with this section, no person may operate any aircraft of U.S. registry, or pilot any aircraft under the authority of an airman certificate issued by the Federal Aviation Administration, within areas designated in a NOTAM for space flight operation except when authorized by ATC.

[Docket FAA-2004-19246, 69 FR 59753, Oct. 5, 2004]