StacksVerified U.S. regulatory reference

Part 171 — Non-Federal Navigation Facilities

Subpart A — VOR Facilities

Subpart B — Nondirectional Radio Beacon Facilities

Subpart C — Instrument Landing System (ILS) Facilities

Subpart D — True Lights

Subpart E — General

Subpart F — Simplified Directional Facility (SDF)

Subpart G — Distance Measuring Equipment (DME)

Subpart H — VHF Marker Beacons

Subpart I — Interim Standard Microwave Landing System (ISMLS)

Subpart J — Microwave Landing System (MLS)