14 CFR § 189.1 - Scope.

---
identifier: "/us/cfr/t14/s189.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 189.1 - Scope."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "189.1"
section_name: "Scope."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "K"
subchapter_name: "ADMINISTRATIVE REGULATIONS"
part_number: "189"
part_name: "USE OF FEDERAL AVIATION ADMINISTRATION COMMUNICATIONS SYSTEM"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "31 U.S.C. 9701; 49 U.S.C. 106(g), 40104, 40113, 44502, 45303."
regulatory_source: "Docket 27778, 60 FR 39615, Aug. 2, 1995, unless otherwise noted."
cfr_part: "189"
---


# 189.1 Scope.

This part describes the kinds of messages that may be transmitted or relayed by FAA Flight Service Stations.