---
kind: "unit"
title: "14"
title_heading: "Aeronautics and Space"
key: "chI/subchA/part1"
level: "part"
label: "Part 1"
heading: "Definitions and Abbreviations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/14/chI-subchA-part1"
sections_count: 3
---

# Part 1 — Definitions and Abbreviations

Title 14 C.F.R. — Aeronautics and Space › Chapter I — Federal Aviation Administration, Department of Transportation › Subchapter A — Definitions and General Requirements

## Sections

- [§1.1. General definitions.](/cfr/14/1.1.md)
- [§1.2. Abbreviations and symbols.](/cfr/14/1.2.md)
- [§1.3. Rules of construction.](/cfr/14/1.3.md)