---
title: "CS ADR-DSN.Q.850 — Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7, Aerodromes · Avioverse"
description: "Intentionally left blank [Issue: ADR-DSN/3] [Issue: ADR-DSN/5]"
url: "https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-q-visual-aids-for-denoting-obstacles/cs-adr-dsn-q-850"
---

# CS ADR-DSN.Q.850

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.Q.850

Intentionally left blank

\[Issue: ADR-DSN/3]

\[Issue: ADR-DSN/5]

IR · CS ADR-DSN.Q.850 — Regulation (EU) No 139/2014 · ED Decision 2021/004/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

[All rules in CHAPTER Q — VISUAL AIDS FOR DENOTING OBSTACLES](https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-q-visual-aids-for-denoting-obstacles)

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.