---
kind: "section"
citation: "14 C.F.R. § 121.271"
title: "14"
number: "121.271"
heading: "Fire-extinguishing system materials."
url: "https://uscodex.org/cfr/14/121.271"
---

# §121.271. Fire-extinguishing system materials.

- (a) Except as provided in [paragraph (b)](#b) of this section, each component of a fire-extinguishing system that is in a designated fire zone must be made of fireproof materials.
- (b) Connections that are subject to relative motion between components of the airplane must be made of flexible materials that are at least fire-resistant and be located so as to minimize the probability of failure.

## Notes

### Source

Source: Docket 6258, 29 FR 19202, Dec. 31, 1964, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 106(f), 40103, 40113, 40119, 41706, 42301 preceding note added by Pub. L. 112-95, sec. 412, 126 Stat. 89, 44101, 44701-44702, 44705, 44709-44711, 44713, 44716-44717, 44722, 44729, 44732; 46105; Pub. L. 111-216, 124 Stat. 2348 (49 U.S.C. 44701 note); Pub. L. 112-95, 126 Stat. 62 (49 U.S.C. 44732 note); Pub. L. 115-254, 132 Stat. 3186 (49 U.S.C. 44701 note).