---
title: "GM1 ADR-DSN.T.915 Siting of equipment and installations on operational areas — Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7, Aerodromes · Avioverse"
description: "The design of light fixtures and their supporting structures, light units of visual approach slope indicators, signs and markers is specified in CS…"
url: "https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-t-aerodrome-operational-services-equipment/gm1-adr-dsn-t-915"
---

# GM1 ADR-DSN.T.915 Siting of equipment and installations on operational areas

Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7 · Regulation (EU) No 139/2014 · EAR revision 13 Mar 2026

GM Guidance material

## GM1 ADR-DSN.T.915 Siting of equipment and installations on operational areas

(a) The design of light fixtures and their supporting structures, light units of visual approach slope indicators, signs and markers is specified in CS ADR-DSN.M.615, CS ADR-DSN.M.640, CS ADR-DSN.N.775, and the [certification specifications](https://avioverse.aero/glossary/easa/certification-specifications) of Chapter P respectively.

(b) Guidance on siting of equipment and installations on operational areas is given in ICAO Doc 9157, [Aerodrome](https://avioverse.aero/glossary/easa/aerodrome) Design Manuals, Part 2, Taxiways, Aprons and Holding Bays and Part 6, [Frangibility](https://avioverse.aero/glossary/easa/frangibility).

(c) Guidance on the frangible design of visual and non-[visual aids](https://avioverse.aero/glossary/easa/visual-aids) for navigation is given in the ICAO Doc 9157, Aerodrome Design Manual, Part 5, Electrical Systems.

(d) Requirements for [obstacle](https://avioverse.aero/glossary/easa/obstacle) limitation surfaces are specified in the certification specifications of Chapter J.

(e) The term ‘[aircraft](https://avioverse.aero/glossary/easa/aircraft) safety purposes’ refers to the installation of arresting systems.

\[Issue: ADR-DSN/3]

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GM · GM1 ADR-DSN.T.915 — Regulation (EU) No 139/2014 · ED Decision 2022/006/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

[All rules in CHAPTER T — AERODROME OPERATIONAL SERVICES, EQUIPMENT AND INSTALLATION](https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-t-aerodrome-operational-services-equipment)

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.