---
kind: "section"
citation: "14 C.F.R. § 145.3"
title: "14"
number: "145.3"
heading: "Definition of terms."
url: "https://uscodex.org/cfr/14/145.3"
---

# §145.3. Definition of terms.


For the purposes of this part, the following definitions apply:

- (a) Accountable manager means the person designated by the certificated repair station who is responsible for and has the authority over all repair station operations that are conducted under [part 145](/cfr/14/part145.md), including ensuring that repair station personnel follow the regulations and serving as the primary contact with the FAA.
- (b) Article means an aircraft, airframe, aircraft engine, propeller, appliance, or component part.
- (c) Directly in charge means having the responsibility for the work of a certificated repair station that performs maintenance, preventive maintenance, alterations, or other functions affecting aircraft airworthiness. A person directly in charge does not need to physically observe and direct each worker constantly but must be available for consultation on matters requiring instruction or decision from higher authority.
- (d) **Line maintenance means—**
  - (1) Any unscheduled maintenance resulting from unforeseen events; or
  - (2) Scheduled checks that contain servicing and/or inspections that do not require specialized training, equipment, or facilities.

## Notes

### Source

Source: Docket FAA-1999-5836, 66 FR 41117, Aug. 6, 2001, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 106(f), 40113, 44701-44702, 44707, 44709, 44717.