---

14 C.F.R. PART 171--NON-FEDERAL NAVIGATION FACILITIES

TITLE 14--Aeronautics and Space

CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION

SUBCHAPTER J--NAVIGATIONAL FACILITIES

PART 171--NON-FEDERAL NAVIGATION FACILITIES

Subpart A--VOR FACILITIES

�171.1

Scope.

�171.3

Requests for IFR procedure.

�171.5

Minimum requirements for approval.

�171.7

Performance requirements.

�171.9

Installation requirements.

�171.11

Maintenance and operations requirements.

�171.13

Reports.

Subpart B--NONDIRECTIONAL RADIO BEACON FACILITIES

�171.21

Scope.

�171.23

Requests for IFR procedure.

�171.25

Minimum requirements for approval.

�171.27

Performance requirements.

�171.29

Installation requirements.

�171.31

Maintenance and operations requirements.

�171.33

Reports.

Subpart C--INSTRUMENT LANDING SYSTEM (ILS) FACILITIES

�171.41

Scope.

�171.43

Requests for IFR procedure.

�171.45

Minimum requirements for approval.

�171.47

Performance requirements.

�171.49

Installation requirements.

�171.51

Maintenance and operations requirements.

�171.53

Reports.

Subpart D--TRUE LIGHTS

�171.61

Air navigation certificate: Revocation and termination.

Subpart E--GENERAL

�171.71

Materials incorporated by reference.

�171.73

Alternative forms of reports.

�171.75

Submission of requests.

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.

Subpart G--DISTANCE MEASURING EQUIPMENT (DME)

�171.151

Scope.

�171.153

Requests for IFR procedure.

�171.155

Minimum requirements for approval.

�171.157

Performance requirements.

�171.159

Installation requirements.

�171.161

Maintenance and operations requirements.

�171.163

Reports.

Subpart H--VHF MARKER BEACONS

�171.201

Scope.

�171.203

Requests for IFR procedure.

�171.205

Minimum requirements for approval.

�171.207

Performance requirements.

�171.209

Installation requirements.

�171.211

Maintenance and operations requirements.

�171.213

Reports.

Subpart I--INTERIM STANDARD MICROWAVE LANDING SYSTEM (ISMLS)

�171.251

Scope.

�171.253

Definitions.

�171.255

Requests for IFR procedures.

�171.257

Minimum requirements for approval.

�171.259

Performance requirements: General.

�171.261

Localizer performance requirements.

�171.263

Localizer automatic monitor system.

�171.265

Glide path performance requirements.

�171.267

Glide path automatic monitor system.

�171.269

Marker beacon performance requirements.

�171.271

Installation requirements.

�171.273

Maintenance and operations requirements.

�171.275

Reports.

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.