e-CFR banner

Home
gpo.gov
govinfo.gov

e-CFR Navigation Aids

Browse

Simple Search

Advanced Search

 — Boolean

 — Proximity

 

Search History

Search Tips

Corrections

Latest Updates

User Info

FAQs

Agency List

Incorporation By Reference

eCFR logo

Related Resources

The Code of Federal Regulations (CFR) annual edition is the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government produced by the Office of the Federal Register (OFR) and the Government Publishing Office.

Download the Code of Federal Regulations in XML.

Download the Electronic Code of Federal Regulations in XML.

Monthly Title and Part user viewing data for the e-CFR is available for download in CSV format.

Parallel Table of Authorities and Rules for the Code of Federal Regulations and the United States Code
Text | PDF

Find, review, and submit comments on Federal rules that are open for comment and published in the Federal Register using Regulations.gov.

Purchase individual CFR titles from the U.S. Government Online Bookstore.

Find issues of the CFR (including issues prior to 1996) at a local Federal depository library.

[A1]

 

Electronic Code of Federal Regulations

e-CFR data is current as of January 24, 2020

Title 14 → Chapter I → Subchapter J → Part 171

TITLE 14—Aeronautics and Space

CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED)

SUBCHAPTER J—NAVIGATIONAL FACILITIES

PART 171—NON-FEDERAL NAVIGATION FACILITIES

rule

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.
rule

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.
rule

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.
rule

Subpart D—TRUE LIGHTS

§171.61
Air navigation certificate: Revocation and termination.
rule

Subpart E—GENERAL

§171.71
Materials incorporated by reference.
§171.73
Alternative forms of reports.
§171.75
Submission of requests.
rule

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.
rule

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.
rule

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.
rule

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.
rule

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.

Need assistance?