StacksVerified U.S. regulatory reference

14 CFR §91.143

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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.