Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

Code · CFR · Title 14 — Aeronautics and Space · Part 25 — Airworthiness Standards: Transport Category Airplanes · § 25.869

§ 25.869. Fire protection: systems.

203 words·~1 min read·/us/cfr/t14/s§ 25.869·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(a)Electrical system components:
(1)Components of the electrical system must meet the applicable fire and smoke protection requirements of §§ 25.831(c) and 25.863.
(2)Equipment that is located in designated fire zones and is used during emergency procedures must be at least fire resistant.
(3)EWIS components must meet the requirements of § 25.1713.
(b)Each vacuum air system line and fitting on the discharge side of the pump that might contain flammable vapors or fluids must meet the requirements of § 25.1183 if the line or fitting is in a designated fire zone. Other vacuum air systems components in designated fire zones must be at least fire resistant.
(c)Oxygen equipment and lines must—
(1)Not be located in any designated fire zone,
(2)Be protected from heat that may be generated in, or escape from, any designated fire zone, and
(3)Be installed so that escaping oxygen cannot cause ignition of grease, fluid, or vapor accumulations that are present in normal operation or as a result of failure or malfunction of any system. [Amdt. 25-72, 55 FR 29784, July 20, 1990, as amended by Amdt. 25-113, 69 FR 12530, Mar. 16, 2004; Amdt. 25-123, 72 FR 63405, Nov. 8, 2007]
Connections1 cite this
Citation graph
cites case law
§ 25.869
Fire protection: systems.
Fed. Reg.×1
Cites 0Cited by 1 across 1 source
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.