---
kind: "section"
citation: "14 C.F.R. § 27.954"
title: "14"
number: "27.954"
heading: "Fuel system lightning protection."
url: "https://uscodex.org/cfr/14/27.954"
---

# §27.954. Fuel system lightning protection.


The fuel system must be designed and arranged to prevent the ignition of fuel vapor within the system by—

- (a) Direct lightning strikes to areas having a high probability of stroke attachment;
- (b) Swept lightning strokes to areas where swept strokes are highly probable; or
- (c) **Corona and streamering at fuel vent outlets.**

## Notes

### Amendments

[Amdt. 27-23, 53 FR 34212, Sept. 2, 1988]

### Authority

Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701-44702, 44704.

### Source

Source: Docket No. 5074, 29 FR 15695, Nov. 24, 1964, unless otherwise noted.

### Amendments

[Amdt. 27-23, 53 FR 34212, Sept. 2, 1988]