---
title: "CS 25.1: SUBPART A – GENERAL (CS-25) — rule index · Avioverse"
description: "CS 25.1, CS-25. These Certification Specifications are applicable to turbine powered Large Aeroplanes."
url: "https://avioverse.aero/regulations/easa/cs-25/subpart-a"
---

# SUBPART A – GENERAL

Large Aeroplanes (CS-25) · CS-25 · CS 25.1

1. ## [CS 25.1 Applicability](https://avioverse.aero/regulations/easa/cs-25/subpart-a/cs-25-1)

   These Certification Specifications are applicable to turbine powered Large Aeroplanes.

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.

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