---
title: "CS ADR-DSN.B.050 Minimum distance between parallel non-instrument runways — Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7, Aerodromes · Avioverse"
description: "Where parallel non-instrument runways are intended for simultaneous use, the minimum distance between their centre lines should be:"
url: "https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-b-runways/cs-adr-dsn-b-050"
---

# CS ADR-DSN.B.050 Minimum distance between parallel non-instrument runways

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.B.050 Minimum distance between parallel non-instrument runways

(a) Where parallel non-instrument runways are intended for simultaneous use, the minimum distance between their centre lines should be:

(1) 210 m where the higher code number is 3 or 4;

(2) 150 m where the higher code number is 2; and

(3) 120 m where the higher code number is 1.

IR · CS ADR-DSN.B.050 — Regulation (EU) No 139/2014 · ED Decision 2014/013/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

[All rules in CHAPTER B — RUNWAYS](https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-b-runways)

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.