U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 14Chapter IPart 171Subpart J - Subpart J—Microwave Landing System (MLS)
§ 171.301 - Scope.
§ 171.303 - Definitions.
§ 171.305 - Requests for IFR procedure.
§ 171.307 - Minimum requirements for approval.
§ 171.309 - General requirements.
§ 171.311 - Signal format requirements.
§ 171.313 - Azimuth performance requirements.
§ 171.315 - Azimuth monitor system requirements.
§ 171.317 - Approach elevation performance requirements.
§ 171.319 - Approach elevation monitor system requirements.
§ 171.321 - DME and marker beacon performance requirements.
§ 171.323 - Fabrication and installation requirements.
§ 171.325 - Maintenance and operations requirements.
§ 171.327 - Operational records.
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