---
title: "ATS.OR.300 Scope — SPECIFIC REQUIREMENTS FOR PROVIDERS OF AIR TRAFFIC SERVICES, ATM/ANS · Avioverse"
description: "This section establishes the requirements to be met by the air traffic control service provider with regard to human performance in order to:"
url: "https://avioverse.aero/regulations/easa/atm-ans/part-ats/subpart-a/ats-or-300"
---

# ATS.OR.300 Scope

SPECIFIC REQUIREMENTS FOR PROVIDERS OF AIR TRAFFIC SERVICES · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025

IR Implementing rule

## ATS.OR.300 Scope

This section establishes the requirements to be met by the air traffic control service provider with regard to human performance in order to:

(a) prevent and mitigate the risk that air traffic control service is provided by air traffic controllers with problematic use of psychoactive substances;

(b) prevent and mitigate the negative effects of stress on air traffic controllers to ensure the safety of air traffic;

(c) prevent and mitigate the negative effects of fatigue on air traffic controllers to ensure the safety of air traffic.

IR · ATS.OR.300 — Regulation (EU) 2017/373 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

[All rules in SUBPART A — ADDITIONAL ORGANISATION REQUIREMENTS FOR PROVIDERS OF AIR TRAFFIC SERVICES (ATS.OR)](https://avioverse.aero/regulations/easa/atm-ans/part-ats/subpart-a)

Consolidated from the EASA Easy Access Rules (revision 12 Mar 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.