---
title: "CS HPT-DSN.A.010 – CS HPT-DSN.A.020: CHAPTER A — GENERAL (Certification Specifications and Guidance Material for Heliport Design (CS-HPT-DSN) — Issue 1, Aerodromes) — rule index · Avioverse"
description: "CS HPT-DSN.A.010 – CS HPT-DSN.A.020, Regulation (EU) No 139/2014. CS HPT-DSN.A.010 Applicability (a) The certification specifications (CSs) and the…"
url: "https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/chapter-a-general"
---

# CHAPTER A — GENERAL

Certification Specifications and Guidance Material for Heliport Design (CS-HPT-DSN) — Issue 1 · Aerodromes · Regulation (EU) No 139/2014 · CS HPT-DSN.A.010 – CS HPT-DSN.A.020

On this page

1. ## [CS HPT-DSN.A.010 Applicability](https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/chapter-a-general/cs-hpt-dsn-a-010)

   The certification specifications (CSs) and the related guidance material (GM) (CS-HPT-DSN) are applicable to the design of surface-level VFR heliports or…

2. ## [GM1 HPT-DSN.A.010 Applicability](https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/chapter-a-general/gm1-hpt-dsn-a-010)

   The CSs and the related GM are applicable to the design of surface-level VFR heliports, including those that are not open for public use or for…

3. ## [CS HPT-DSN.A.020 Definitions](https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/chapter-a-general/cs-hpt-dsn-a-020)

   For the purposes of CS-HPT-DSN, the following definitions should apply:

4. ## [GM1 HPT-DSN.A.020 Definitions](https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/chapter-a-general/gm1-hpt-dsn-a-020)

   Further information on operations of performance classes 1, 2 and 3 helicopters are given in Commission Regulation (EU) No 965/2012 on air operations and…

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