---
kind: "section"
citation: "14 C.F.R. § 121.247"
title: "14"
number: "121.247"
heading: "Fire-wall construction."
url: "https://uscodex.org/cfr/14/121.247"
---

# §121.247. Fire-wall construction.


Each fire wall and shroud must—

- (a) Be so made that no hazardous quantity of air, fluids, or flame can pass from the engine compartment to other parts of the airplane;
- (b) Have all openings in the fire wall or shroud sealed with close-fitting fire-proof grommets, bushings, or firewall fittings;
- (c) Be made of fireproof material; and
- (d) **Be protected against corrosion.**

## 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).