---
title: "GM1 HPT-DSN.E.400 Applicability — Certification Specifications and Guidance Material for Heliport Design (CS-HPT-DSN) — Issue 1, Aerodromes · Avioverse"
description: "Intentionally left blank"
url: "https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/chapter-e-obstacle-limitation-surfaces-and/gm1-hpt-dsn-e-400"
---

# GM1 HPT-DSN.E.400 Applicability

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.E.400 Applicability

Intentionally left blank

GM · GM1 HPT-DSN.E.400 — Regulation (EU) No 139/2014 · ED Decision 2019/012/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

[All rules in CHAPTER E — OBSTACLE LIMITATION SURFACES AND REQUIREMENTS](https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/chapter-e-obstacle-limitation-surfaces-and)

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.