---
title: "CS 25.865 Fire protection of flight controls, engine mounts, and other flight structure — CS-25 · Avioverse"
description: "Essential flight controls, engine mounts, and other flight structures located in designated fire zones or in adjacent areas which would be subjected to…"
url: "https://avioverse.aero/regulations/easa/cs-25/subpart-d/cs-25-865"
---

# CS 25.865 Fire protection of flight controls, engine mounts, and other flight structure

Large Aeroplanes (CS-25) · CS-25 · EAR revision 26 Jan 2023

IR Implementing rule

## CS 25.865 Fire protection of flight controls, engine mounts, and other flight structure

Essential flight controls, engine mounts, and other flight structures located in designated fire zones or in adjacent areas which would be subjected to the effects of fire in the fire zone must be constructed of fireproof material or shielded so that they are capable of withstanding the effects of fire.

IR · CS 25.865 — CS-25 · ED Decision 2003/2/RM · CS-25 Easy Access Rules · EAR revision 26 Jan 2023

[All rules in SUBPART D – DESIGN AND CONSTRUCTION](https://avioverse.aero/regulations/easa/cs-25/subpart-d)

Consolidated from the EASA Easy Access Rules (revision 26 Jan 2023, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.