---
kind: "unit"
title: "14"
title_heading: "Aeronautics and Space"
key: "chI/subchK"
level: "subchap"
label: "Subchapter K"
heading: "Administrative Regulations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/14/chI-subchK"
sections_count: 50
---

# Subchapter K — Administrative Regulations

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

## Contents

- [Part 183 — Representatives of the Administrator](/cfr/14/chI-subchK-part183.md)
- [Part 185 — Testimony by Employees and Production of Records in Legal Proceedings, and Service of Legal Process and Pleadings](/cfr/14/chI-subchK-part185.md)
- [Part 187 — Fees](/cfr/14/chI-subchK-part187.md)
- [Part 189 — Use of Federal Aviation Administration Communications System](/cfr/14/chI-subchK-part189.md)
- [Part 193 — Protection of Voluntarily Submitted Information](/cfr/14/chI-subchK-part193.md)