---
title: "CS 25J1207 Compliance — CS-25 · Avioverse"
description: "Unless otherwise specified, compliance with the requirements of CS 25J1181 through CS 25J1203 must be shown by a full scale test or by one or more of the…"
url: "https://avioverse.aero/regulations/easa/cs-25/subpart-j/cs-25j1207-compliance"
---

# CS 25J1207 Compliance

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

IR Implementing rule

## CS 25J1207 Compliance

Unless otherwise specified, compliance with the requirements of CS 25J1181 through CS 25J1203 must be shown by a full scale test or by one or more of the following methods:

(a) Tests of similar APU installations.

(b) Tests of components.

(c) Service experience of aircraft with similar APU installations.

(d) Analysis unless tests are specifically required.

\[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.