---
kind: "unit"
title: "14"
title_heading: "Aeronautics and Space"
key: "chI/subchC"
level: "subchap"
label: "Subchapter C"
heading: "Aircraft"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/14/chI-subchC"
sections_count: 1512
---

# Subchapter C — Aircraft

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

## Contents

- [Part 21 — Certification Procedures for Products and Articles](/cfr/14/chI-subchC-part21.md)
- [Part 22 — Design, Production, and Airworthiness Requirements for Non-Type Certificated Aircraft](/cfr/14/chI-subchC-part22.md)
- [Part 23 — Airworthiness Standards: Normal Category Airplanes](/cfr/14/chI-subchC-part23.md)
- [Part 25 — Airworthiness Standards: Transport Category Airplanes](/cfr/14/chI-subchC-part25.md)
- [Part 26 — Continued Airworthiness and Safety Improvements for Transport Category Airplanes](/cfr/14/chI-subchC-part26.md)
- [Part 27 — Airworthiness Standards: Normal Category Rotorcraft](/cfr/14/chI-subchC-part27.md)
- [Part 29 — Airworthiness Standards: Transport Category Rotorcraft](/cfr/14/chI-subchC-part29.md)
- [Part 31 — Airworthiness Standards: Manned Free Balloons](/cfr/14/chI-subchC-part31.md)
- [Part 33 — Airworthiness Standards: Aircraft Engines](/cfr/14/chI-subchC-part33.md)
- [Part 34 — Fuel Venting and Exhaust Emission Requirements for Turbine Engine Powered Airplanes](/cfr/14/chI-subchC-part34.md)
- [Part 35 — Airworthiness Standards: Propellers](/cfr/14/chI-subchC-part35.md)
- [Part 36 — Noise Standards: Aircraft Type and Airworthiness Certification](/cfr/14/chI-subchC-part36.md)
- [Part 38 — Airplane Fuel Efficiency Certification](/cfr/14/chI-subchC-part38.md)
- [Part 39 — Airworthiness Directives](/cfr/14/chI-subchC-part39.md)
- [Part 43 — Maintenance, Preventive Maintenance, Rebuilding, and Alteration](/cfr/14/chI-subchC-part43.md)
- [Part 45 — Identification and Registration Marking](/cfr/14/chI-subchC-part45.md)
- [Part 47 — Aircraft Registration](/cfr/14/chI-subchC-part47.md)
- [Part 48 — Registration and Marking Requirements for Small Unmanned Aircraft](/cfr/14/chI-subchC-part48.md)
- [Part 49 — Recording of Aircraft Titles and Security Documents](/cfr/14/chI-subchC-part49.md)
- [Part 50-59 — Parts 50-59 [reserved]](/cfr/14/chI-subchC-part50-59.md)