14 CFR 171.251
§ 171.251 Scope.
United States · 14 CFR — Aeronautics and Space · Status: effective
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- Citation
- 14 CFR 171.251, § 171.251 Scope, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/58149
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Full text
This subpart sets forth minimum requirements for the approval and operation of non-Federal Interim Standard Microwave Landing System (ISMLS) facilities that are to be involved in the approval of instrument flight rules and air traffic control procedures related to those facilities.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.