---
title: "CS 25J1041 General — CS-25 · Avioverse"
description: "(See AMC 25J1041.) The APU cooling provisions must be able to maintain the temperatures of APU components and fluids within the temperature limits…"
url: "https://avioverse.aero/regulations/easa/cs-25/subpart-j/cs-25j1041-general"
---

# CS 25J1041 General

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

IR Implementing rule

## CS 25J1041 General

(See AMC 25J1041.)

The APU cooling provisions must be able to maintain the temperatures of APU components and fluids within the temperature limits established for these components and fluids, under critical ground and flight operating conditions, and after normal APU shutdown.

\[Amdt 25/1]

IR — CS-25 · ED Decision 2005/006/R · CS-25 Easy Access Rules · EAR revision 26 Jan 2023

[All rules in SUBPART J – AUXILIARY POWER UNIT INSTALLATIONS](https://avioverse.aero/regulations/easa/cs-25/subpart-j)

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.