---
title: "GM1 HPT-DSN.F.550 Aiming point marking — Certification Specifications and Guidance Material for Heliport Design (CS-HPT-DSN) — Issue 1, Aerodromes · Avioverse"
description: "For all FATOs except runway-type FATOs, the aiming point marking should be located at the centre of the FATO, as shown in Figure F-1."
url: "https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/chapter-f-visual-aids/gm1-hpt-dsn-f-550"
---

# GM1 HPT-DSN.F.550 Aiming point marking

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.F.550 Aiming point marking

For all FATOs except [runway](https://avioverse.aero/glossary/easa/runway)-type FATOs, the aiming point [marking](https://avioverse.aero/glossary/easa/marking) should be located at the centre of the FATO, as shown in Figure F-1.

GM · GM1 HPT-DSN.F.550 — Regulation (EU) No 139/2014 · ED Decision 2019/012/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

[All rules in CHAPTER F — VISUAL AIDS](https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/chapter-f-visual-aids)

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.