---
title: "GM1 HPT-DSN.B.130 Safety areas — Certification Specifications and Guidance Material for Heliport Design (CS-HPT-DSN) — Issue 1, Aerodromes · Avioverse"
description: "When only a single approach and take-off climb surface is provided, the need for specific protected side slopes should be determined by a safety…"
url: "https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/chapter-b-helicopter-operating-areas/gm1-hpt-dsn-b-130"
---

# GM1 HPT-DSN.B.130 Safety areas

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.130 Safety areas

When only a single approach and take-off climb surface is provided, the need for specific protected side slopes should be determined by a safety assessment.

GM · GM1 HPT-DSN.B.130 — 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.