14 C.F.R. § 171.301 Scope.
Title 14 - Aeronautics and Space
This subpart sets forth minimum requirements for the approval, installation, operation and maintenance of non-Federal Microwave Landing System (MLS) facilities that provide the basis for instrument flight rules (IFR) and air traffic control procedures.
Title 14: Aeronautics and Space
PART 171—NON-FEDERAL NAVIGATION FACILITIES
Subpart J—Microwave Landing System (MLS)
§ 171.301 Scope.