---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chXII/subchC"
level: "subchap"
label: "Subchapter C"
heading: "Civil Aviation Security"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chXII-subchC"
sections_count: 171
---

# Subchapter C — Civil Aviation Security

Title 49 C.F.R. — Transportation › Subtitle B — Other Regulations Relating to Transportation › Chapter XII — Transportation Security Administration, Department of Homeland Security

## Contents

- [Part 1540 — Civil Aviation Security: General Rules](/cfr/49/subtB-chXII-subchC-part1540.md)
- [Part 1542 — Airport Security](/cfr/49/subtB-chXII-subchC-part1542.md)
- [Part 1544 — Aircraft Operator Security: Air Carriers and Commercial Operators](/cfr/49/subtB-chXII-subchC-part1544.md)
- [Part 1546 — Foreign Air Carrier Security](/cfr/49/subtB-chXII-subchC-part1546.md)
- [Part 1548 — Indirect Air Carrier Security](/cfr/49/subtB-chXII-subchC-part1548.md)
- [Part 1549 — Certified Cargo Screening Program](/cfr/49/subtB-chXII-subchC-part1549.md)
- [Part 1550 — Aircraft Security under General Operating and Flight Rules](/cfr/49/subtB-chXII-subchC-part1550.md)
- [Part 1552 — Flight Training Security Program](/cfr/49/subtB-chXII-subchC-part1552.md)
- [Part 1554 — Aircraft Repair Station Security](/cfr/49/subtB-chXII-subchC-part1554.md)
- [Part 1560 — Secure Flight Program](/cfr/49/subtB-chXII-subchC-part1560.md)
- [Part 1562 — Operations in the Washington, Dc, Metropolitan Area](/cfr/49/subtB-chXII-subchC-part1562.md)