14 CFR § 139.333 - Protection of Navaids.

---
identifier: "/us/cfr/t14/s139.333"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 139.333 - Protection of NAVAIDS."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "139.333"
section_name: "Protection of NAVAIDS."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "G"
subchapter_name: "AIR CARRIERS AND OPERATORS FOR COMPENSATION OR HIRE: CERTIFICATION AND OPERATIONS"
part_number: "139"
part_name: "CERTIFICATION OF AIRPORTS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 106(f), 40113, 44701-44706, 44709, 44719, 47175."
regulatory_source: "Docket FAA-2000-7479, 69 FR 6424, Feb. 10, 2004, unless otherwise noted."
cfr_part: "139"
---


# 139.333 Protection of NAVAIDS.

In a manner authorized by the Administrator, each certificate holder must—

(a) Prevent the construction of facilities on its airport that, as determined by the Administrator, would derogate the operation of an electronic or visual NAVAID and air traffic control facilities on the airport;

(b) Protect—or if the owner is other than the certificate holder, assist in protecting—all NAVAIDS on its airport against vandalism and theft; and

(c) Prevent, insofar as it is within the airport's authority, interruption of visual and electronic signals of NAVAIDS.