---
kind: "section"
citation: "14 C.F.R. § 25.1733"
title: "14"
number: "25.1733"
heading: "Fire detector systems, general: EWIS."
url: "https://uscodex.org/cfr/14/25.1733"
---

# §25.1733. Fire detector systems, general: EWIS.


EWIS associated with any installed fire protection system, including those required by §§ [25.854](/cfr/14/25.854.md) and [25.858](/cfr/14/25.858.md), must be considered an integral part of the system in showing compliance with the applicable requirements for that system.


## Notes

### Source

Source: Docket No. FAA-2004-18379, 72 FR 63406, Nov. 8, 2007, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701, 44702 and 44704; Pub. L. 115-254, 132 Stat 3281 (49 U.S.C. 44903 note).

### Source

Source: Docket No. 5066, 29 FR 18291, Dec. 24, 1964, unless otherwise noted.