---
kind: "unit"
title: "14"
title_heading: "Aeronautics and Space"
key: "chI/subchC/part25"
level: "part"
label: "Part 25"
heading: "Airworthiness Standards: Transport Category Airplanes"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/14/chI-subchC-part25"
sections_count: 406
---

# Part 25 — Airworthiness Standards: Transport Category Airplanes

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

## Contents

- [Subpart A — General](/cfr/14/chI-subchC-part25-subpartA.md)
- [Subpart B — Flight](/cfr/14/chI-subchC-part25-subpartB.md)
- [Subpart C — Structure](/cfr/14/chI-subchC-part25-subpartC.md)
- [Subpart D — Design and Construction](/cfr/14/chI-subchC-part25-subpartD.md)
- [Subpart E — Powerplant](/cfr/14/chI-subchC-part25-subpartE.md)
- [Subpart F — Equipment](/cfr/14/chI-subchC-part25-subpartF.md)
- [Subpart G — Operating Limitations and Information](/cfr/14/chI-subchC-part25-subpartG.md)
- [Subpart H — Electrical Wiring Interconnection Systems (EWIS)](/cfr/14/chI-subchC-part25-subpartH.md)
- [Subpart I — Special Federal Aviation Regulations](/cfr/14/chI-subchC-part25-subpartI.md)