---
title: "CS ADR-DSN.C.225 Clearing and grading of runway end safety areas — Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7, Aerodromes · Avioverse"
description: "A runway end safety area should provide a cleared and graded area for aeroplanes which the runway is intended to serve in the event of an aeroplane…"
url: "https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-c-runway-end-safety-area/cs-adr-dsn-c-225"
---

# CS ADR-DSN.C.225 Clearing and grading of runway end safety areas

Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7 · Regulation (EU) No 139/2014 · EAR revision 13 Mar 2026

IR Implementing rule

## CS ADR-DSN.C.225 Clearing and grading of runway end safety areas

A [runway](https://avioverse.aero/glossary/easa/runway) end [safety area](https://avioverse.aero/glossary/easa/safety-area) should provide a cleared and [graded area](https://avioverse.aero/glossary/easa/graded-area) for aeroplanes which the runway is intended to serve in the event of an [aeroplane](https://avioverse.aero/glossary/easa/aeroplane) undershooting or overrunning the runway.

IR · CS ADR-DSN.C.225 — Regulation (EU) No 139/2014 · ED Decision 2014/013/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

[All rules in CHAPTER C — RUNWAY END SAFETY AREA](https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-c-runway-end-safety-area)

Consolidated from the EASA Easy Access Rules (revision 13 Mar 2026, 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.