---
title: "GM1 ADR-DSN.J.465 General — Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7, Aerodromes · Avioverse"
description: "The requirements for obstacle limitation surfaces are specified on the basis of the intended use of a runway, i.e."
url: "https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-j-obstacle-limitation-requirements/gm1-adr-dsn-j-465"
---

# GM1 ADR-DSN.J.465 General

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

GM Guidance material

## GM1 ADR-DSN.J.465 General

The requirements for [obstacle](https://avioverse.aero/glossary/easa/obstacle) limitation surfaces are specified on the basis of the intended use of a [runway](https://avioverse.aero/glossary/easa/runway), i.e. take-off or landing, and type of approach, and are intended to be applied when such use of the runway is made. In cases where operations are conducted to or from both directions of a runway, the function of certain surfaces may be nullified because of more stringent requirements of another lower surface.

GM · GM1 ADR-DSN.J.465 — Regulation (EU) No 139/2014 · ED Decision 2014/013/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

[All rules in CHAPTER J — OBSTACLE LIMITATION REQUIREMENTS](https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-j-obstacle-limitation-requirements)

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.