---
kind: "unit"
title: "14"
title_heading: "Aeronautics and Space"
key: "chI/subchJ/part171"
level: "part"
label: "Part 171"
heading: "Non-Federal Navigation Facilities"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/14/chI-subchJ-part171"
sections_count: 75
---

# Part 171 — Non-Federal Navigation Facilities

Title 14 C.F.R. — Aeronautics and Space › Chapter I — Federal Aviation Administration, Department of Transportation › Subchapter J — Navigational Facilities

## Contents

- [Subpart A — VOR Facilities](/cfr/14/chI-subchJ-part171-subpartA.md)
- [Subpart B — Nondirectional Radio Beacon Facilities](/cfr/14/chI-subchJ-part171-subpartB.md)
- [Subpart C — Instrument Landing System (ILS) Facilities](/cfr/14/chI-subchJ-part171-subpartC.md)
- [Subpart D — True Lights](/cfr/14/chI-subchJ-part171-subpartD.md)
- [Subpart E — General](/cfr/14/chI-subchJ-part171-subpartE.md)
- [Subpart F — Simplified Directional Facility (SDF)](/cfr/14/chI-subchJ-part171-subpartF.md)
- [Subpart G — Distance Measuring Equipment (DME)](/cfr/14/chI-subchJ-part171-subpartG.md)
- [Subpart H — VHF Marker Beacons](/cfr/14/chI-subchJ-part171-subpartH.md)
- [Subpart I — Interim Standard Microwave Landing System (ISMLS)](/cfr/14/chI-subchJ-part171-subpartI.md)
- [Subpart J — Microwave Landing System (MLS)](/cfr/14/chI-subchJ-part171-subpartJ.md)