1. Regulations
  2. title 14
  3. chapter I-i2
  4. part 171
  5. subpart I
  6. § 171.251

View all text of Subpart I [§ 171.251 - § 171.275]

§ 171.251 - Scope.

This subpart sets forth minimum requirements for the approval and operation of non-Federal Interim Standard Microwave Landing System (ISMLS) facilities that are to be involved in the approval of instrument flight rules and air traffic control procedures related to those facilities.

AUTHORITY: 49 U.S.C. 106(g), 40103-40107, 40109, 40113, 44502, 44701-44702, 44708-44709, 44711, 44719-44721, 45303, 46308.

SOURCE: Docket No. 5034, 29 FR 11337, Aug. 6, 1964, unless otherwise noted.

CITE AS: 14 CFR 171.251