---
title: "GM 1 Article 2 (40) Definitions — Cover Regulation, Aircrew · Avioverse"
description: "GROUP OF AIRCRAFT In the context of FSTDs, in order to determine whether aircraft fall under the same group of aircraft, the following criteria may be…"
url: "https://avioverse.aero/regulations/easa/aircrew/cover-regulation/powers-and-recitals/gm-1-article-2-40-definitions"
---

# GM 1 Article 2 (40) Definitions

Cover Regulation · Regulation (EU) No 1178/2011 · EAR revision 16 Oct 2026

Official sources: [EASA Easy Access Rules (opens in a new tab)](https://www.easa.europa.eu/en/document-library/easy-access-rules/easy-access-rules-aircrew) · [EUR-Lex 2011/1178 (opens in a new tab)](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32011R1178)

GM Guidance material

## GM 1 Article 2 (40) Definitions

[GROUP OF AIRCRAFT](https://avioverse.aero/glossary/easa/group-of-aircraft)

In the context of FSTDs, in order to determine whether [aircraft](https://avioverse.aero/glossary/easa/aircraft) fall under the same group of aircraft, the following criteria may be considered in addition to the aircraft category:

(a) engine configuration: single-engine piston, multi-engine piston, single-engine turbo-prop, multi-engine turbo-prop, multi-engine jet, etc.;

(b) wake-turbulence categories: light-weight, medium-weight, heavy-weight.

\[applicable from 30 April 2028 — ED Decision 2026/006/R]

GM — Regulation (EU) No 1178/2011 · ED Decision 2026/006/R · Aircrew Easy Access Rules · EAR revision 16 Oct 2026

[All rules in Powers and recitals](https://avioverse.aero/regulations/easa/aircrew/cover-regulation/powers-and-recitals)

Consolidated from the EASA Easy Access Rules (revision 16 Oct 2026, extracted 2 Nov 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.