---
title: "GM1 to Appendix 4 ATS airspace classes — services provided and flight requirements — ANNEX: Rules of the Air, SERA · Avioverse"
description: "GENERAL The purpose of this Appendix is to show the requirements related to each specific airspace class in a concise manner."
url: "https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/appendix-4/gm1-to-appendix-4-ats-airspace-classes-services-provided-and-flight-requirements"
---

# GM1 to Appendix 4 ATS airspace classes — services provided and flight requirements

ANNEX: Rules of the Air · Regulation (EU) No 923/2012 · EAR revision 26 Aug 2025

GM Guidance material

## GM1 to Appendix 4 ATS airspace classes — services provided and flight requirements

GENERAL

The purpose of this Appendix is to show the requirements related to each specific airspace class in a concise manner. Therefore, it does not provide any specifications additional to those already expressed in the implementing rule.

GM — Regulation (EU) No 923/2012 · ED Decision 2013/013/R · SERA Easy Access Rules · EAR revision 26 Aug 2025

[All rules in Appendix 4 ATS airspace classes — services provided and flight requirements](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/appendix-4)

Consolidated from the EASA Easy Access Rules (revision 26 Aug 2025, 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.