---
title: "CS 25.953 Fuel system independence — CS-25 · Avioverse"
description: "Each fuel system must meet the requirements of CS 25.903(b) by – (a) Allowing the supply of fuel to each engine through a system independent of each part…"
url: "https://avioverse.aero/regulations/easa/cs-25/subpart-e/cs-25-953"
---

# CS 25.953 Fuel system independence

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

IR Implementing rule

## CS 25.953 Fuel system independence

Each fuel system must meet the requirements of CS 25.903(b) by –

(a) Allowing the supply of fuel to each engine through a system independent of each part of the system supplying fuel to any other engine; or

(b) Any other acceptable method.

IR · CS 25.953 — CS-25 · ED Decision 2003/2/RM · CS-25 Easy Access Rules · EAR revision 26 Jan 2023

[All rules in SUBPART E – POWERPLANT](https://avioverse.aero/regulations/easa/cs-25/subpart-e)

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.