14 CFR 91.173
§ 91.173 ATC clearance and flight plan required.
United States · 14 CFR — Aeronautics and Space · Status: effective
Cite this
- Citation
- 14 CFR 91.173, § 91.173 ATC clearance and flight plan required, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/55918
- Permanent ID
ys:prov:55918@1- SHA-256
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Full text
No person may operate an aircraft in controlled airspace under IFR unless that person has—
(a) Filed an IFR flight plan; and
(b) Received an appropriate ATC clearance.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.