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)