---
title: "CS 25.1 Applicability — CS-25 · Avioverse"
description: "These Certification Specifications are applicable to turbine powered Large Aeroplanes."
url: "https://avioverse.aero/regulations/easa/cs-25/subpart-a/cs-25-1"
---

# CS 25.1 Applicability

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

IR Implementing rule

## CS 25.1 Applicability

(a) These Certification Specifications are applicable to turbine powered Large Aeroplanes.

\[Amdt 25/11]

IR · CS 25.1 — CS-25 · ED Decision 2011/004/R · CS-25 Easy Access Rules · EAR revision 26 Jan 2023

[All rules in SUBPART A – GENERAL](https://avioverse.aero/regulations/easa/cs-25/subpart-a)

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.