---
title: "GM1 4a [Aerodrome] traffic density — ANNEX I — Definitions, Aerodromes · Avioverse"
description: "Movement is either a take-off or a landing. The [aerodrome] traffic density is characterised as:"
url: "https://avioverse.aero/regulations/easa/aerodromes/definitions/powers-and-recitals/gm1-4a-aerodrome-traffic-density"
---

# GM1 4a \[Aerodrome] traffic density

ANNEX I — Definitions · Regulation (EU) No 139/2014 · EAR revision 13 Mar 2026

GM Guidance material

## GM1 4a \[Aerodrome] traffic density

[Movement](https://avioverse.aero/glossary/easa/movement) is either a take-off or a landing.

The [\[aerodrome\] traffic density](https://avioverse.aero/glossary/easa/aerodrome-traffic-density) is characterised as:

(a) light, where the number of movements in the mean busy hour is not greater than 15 per [runway](https://avioverse.aero/glossary/easa/runway) or typically less than 20 total [aerodrome](https://avioverse.aero/glossary/easa/aerodrome) movements;

(b) medium, where the number of movements in the mean busy hour is of the order of 16 to 25 per runway or typically between 20 and 35 total aerodrome movements;

(c) heavy, where the number of movements in the mean busy hour is of the order of 26 or more per runway or typically more than 35 total aerodrome movements.

GM — Regulation (EU) No 139/2014 · ED Decision 2024/004/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

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

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.