---
title: "GM1 HPT-DSN.B.110 Helicopter clearways — Certification Specifications and Guidance Material for Heliport Design (CS-HPT-DSN) — Issue 1, Aerodromes · Avioverse"
description: "General: A helicopter clearway would need to be considered when the heliport is intended to be used by helicopters operating in performance class 1."
url: "https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/chapter-b-helicopter-operating-areas/gm1-hpt-dsn-b-110"
---

# GM1 HPT-DSN.B.110 Helicopter clearways

Certification Specifications and Guidance Material for Heliport Design (CS-HPT-DSN) — Issue 1 · Regulation (EU) No 139/2014 · EAR revision 13 Mar 2026

GM Guidance material

## GM1 HPT-DSN.B.110 Helicopter clearways

General: A [helicopter clearway](https://avioverse.aero/glossary/easa/helicopter-clearway) would need to be considered when the [heliport](https://avioverse.aero/glossary/easa/heliport) is intended to be used by helicopters operating in performance class 1.

GM · GM1 HPT-DSN.B.110 — Regulation (EU) No 139/2014 · ED Decision 2019/012/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

[All rules in CHAPTER B — HELICOPTER OPERATING AREAS](https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/chapter-b-helicopter-operating-areas)

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.