49 CFR § 1554.1 - Scope.

---
identifier: "/us/cfr/t49/s1554.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 1554.1 - Scope."
title_number: 49
title_name: "Transportation"
section_number: "1554.1"
section_name: "Scope."
chapter_name: "TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "C"
subchapter_name: "CIVIL AVIATION SECURITY"
part_number: "1554"
part_name: "AIRCRAFT REPAIR STATION SECURITY"
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. 114, 40113, 44903, 44924."
regulatory_source: "79 FR 2140, Jan. 13, 2014, unless otherwise noted."
cfr_part: "1554"
---


# 1554.1 Scope.

(a) This part applies to repair stations that are certificated by the Federal Aviation Administration (FAA) pursuant to 14 CFR part 145, except for a part 145 certificated repair station located on a U.S. or foreign government military installation.

(b) In addition to the terms in 49 CFR 1500.3 and 1540.5, for purposes of this part, “large aircraft” means any aircraft with a maximum certificated takeoff weight of more than 12,500 pounds and “attended” aircraft means an aircraft to which access is limited to authorized individuals and property.