U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 14Chapter IPart 171Subpart F - Subpart F—Simplified Directional Facility (SDF)
§ 171.101 - Scope.
§ 171.103 - Requests for IFR procedure.
§ 171.105 - Minimum requirements for approval.
§ 171.107 - Definition.
§ 171.109 - Performance requirements.
§ 171.111 - Ground standards and tolerances.
§ 171.113 - Installation requirements.
§ 171.115 - Maintenance and operations requirements.
§ 171.117 - Reports.
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