---
title: "Contaminated runway — EASA Definition · Avioverse"
description: "Annex I — Definitions for terms used in Annexes II to IX, Regulation (EU) No 965/2012: ‘contaminated runway’ means a runway of which a significant…"
url: "https://avioverse.aero/glossary/easa/contaminated-runway"
---

# contaminated runway

EASA defines “contaminated runway” in 2 regulations, worded for each regulation's scope. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

> ‘contaminated runway’ means a runway of which a significant portion of its surface area (whether in isolated areas or not) within the length and width being used is covered by one or more of the substances listed under the runway surface condition descriptors;

Annex I — Definitions for terms used in Annexes II to IX · Air Operations · Regulation (EU) No 965/2012 · Easy Access Rules, 27 Mar 2026 revision · [Read the article](https://avioverse.aero/regulations/easa/air-ops/definitions/powers-and-recitals#annex-i-definitions-for-terms-used-in-annexes-ii-to-ix)

> ‘contaminated runway’ means a runway whose surface area (whether in isolated areas or not) within the length and width being used is covered in significant part by one or more of the substances listed under the runway surface condition descriptors;

Definitions for terms used in Annexes II to IV · Aerodromes · Regulation (EU) No 139/2014 · Easy Access Rules, 13 Mar 2026 revision · [Read the article](https://avioverse.aero/regulations/easa/aerodromes/definitions/powers-and-recitals#definitions-for-terms-used-in-annexes-ii-to-iv)

## Defined in the same article

- [\[aerodrome\] traffic density](https://avioverse.aero/glossary/easa/aerodrome-traffic-density)
- [accelerate-stop distance available (ASDA)](https://avioverse.aero/glossary/easa/accelerate-stop-distance-available)
- [acceptable means of compliance (AMC)](https://avioverse.aero/glossary/easa/acceptable-means-of-compliance)
- [acceptance checklist](https://avioverse.aero/glossary/easa/acceptance-checklist)
- [adequate aerodrome](https://avioverse.aero/glossary/easa/adequate-aerodrome)
- [adequate vertiport](https://avioverse.aero/glossary/easa/adequate-vertiport)
- [adult](https://avioverse.aero/glossary/easa/adult)
- [aerodrome control service](https://avioverse.aero/glossary/easa/aerodrome-control-service)