14 CFR § 161.401 - Scope.

---
identifier: "/us/cfr/t14/s161.401"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 161.401 - Scope."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "161.401"
section_name: "Scope."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "I"
subchapter_name: "AIRPORTS"
part_number: "161"
part_name: "NOTICE AND APPROVAL OF AIRPORT NOISE AND ACCESS RESTRICTIONS"
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(g), 47523-47527, 47533."
regulatory_source: "Docket 26432, 56 FR 48698, Sept. 25, 1991, unless otherwise noted."
cfr_part: "161"
---


# 161.401 Scope.

This subpart applies to an airport imposing a noise or access restriction on the operation of Stage 3 aircraft that first became effective after October 1, 1990, and had either been agreed to in compliance with the procedures in subpart B of this part or approved by the FAA in accordance with the procedures in subpart D of this part. This subpart does not apply to Stage 2 restrictions imposed by airports. This subpart does not apply to Stage 3 restrictions specifically exempted in § 161.7.