---
title: "CS ADR-DSN.B.110 Surface of runway turn pads — Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7, Aerodromes · Avioverse"
description: "The surface of a runway turn pad should not have surface irregularities that may cause damage to an aeroplane using the turn pad."
url: "https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-b-runways/cs-adr-dsn-b-110"
---

# CS ADR-DSN.B.110 Surface of runway turn pads

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.110 Surface of runway turn pads

(a) The surface of a [runway turn pad](https://avioverse.aero/glossary/easa/runway-turn-pad) should not have surface irregularities that may cause damage to an [aeroplane](https://avioverse.aero/glossary/easa/aeroplane) using the turn pad.

(b) The surface of a runway turn pad should be so constructed or resurfaced as to provide [surface friction](https://avioverse.aero/glossary/easa/surface-friction) characteristics at least equal to that of the adjoining [runway](https://avioverse.aero/glossary/easa/runway).

\[Issue: ADR-DSN/3]

IR · CS ADR-DSN.B.110 — Regulation (EU) No 139/2014 · ED Decision 2016/027/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.