---
title: "CS 25.1319 Equipment, systems and network information protection — CS-25 · Avioverse"
description: "Aeroplane equipment, systems and networks, considered separately and in relation to other systems, must be protected from intentional unauthorised…"
url: "https://avioverse.aero/regulations/easa/cs-25/subpart-f/cs-25-1319"
---

# CS 25.1319 Equipment, systems and network information protection

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

IR Implementing rule

## CS 25.1319 Equipment, systems and network information protection

(a) Aeroplane equipment, systems and networks, considered separately and in relation to other systems, must be protected from intentional unauthorised electronic interactions (IUEIs) that may result in adverse effects on the safety of the aeroplane. Protection must be ensured by showing that the security risks have been identified, assessed and mitigated as necessary.

(b) When required by paragraph (a), the applicant must make procedures and Instructions for Continued Airworthiness (ICA) available that ensure that the security protections of the aeroplane’s equipment, systems and networks are maintained.

\[Amdt 25/25]

IR · CS 25.1319 — CS-25 · ED Decision 2020/006/R · CS-25 Easy Access Rules · EAR revision 26 Jan 2023

[All rules in SUBPART F – EQUIPMENT](https://avioverse.aero/regulations/easa/cs-25/subpart-f)

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.