---
title: "ATS.OR.305 Responsibilities of air traffic control service providers with regard to the problematic use of psychoactive substances by air traffic controllers — SPECIFIC REQUIREMENTS FOR PROVIDERS OF AIR TRAFFIC SERVICES, ATM/ANS · Avioverse"
description: "An air traffic control service provider shall develop and implement a policy, with related procedures, in order to ensure that the problematic use of…"
url: "https://avioverse.aero/regulations/easa/atm-ans/part-ats/subpart-a/ats-or-305"
---

# ATS.OR.305 Responsibilities of air traffic control service providers with regard to the problematic use of psychoactive substances by air traffic controllers

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

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-air-traffic-managementair-navigation-services-provision-services) · [EUR-Lex 2017/373 (opens in a new tab)](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32017R0373)

IR Implementing rule

## ATS.OR.305 Responsibilities of air traffic control service providers with regard to the problematic use of psychoactive substances by air traffic controllers

(a) An air traffic control service provider shall develop and implement a policy, with related procedures, in order to ensure that the problematic use of psychoactive substances does not affect the provision of air traffic control service.

(b) Without prejudice to provisions laid down in Directive 95/46/EC of the European Parliament and of the Council¹ and to the applicable national legislation on testing of individuals, the air traffic control service provider shall develop and implement an objective, transparent and non-discriminatory procedure for the detection of cases of problematic use of psychoactive substances by air traffic controllers. This procedure shall take into account provisions laid down in point ATCO.A.015 of Regulation (EU) 2015/340.

(c) The procedure in point (b) shall be approved by the competent authority.

¹ Directive 95/46/EC of the European Parliament and of the Council of 24 October 1995 on the protection of individuals with regard to the processing of personal data and on the free movement of such data (OJ L 281, 23.11.1995, p. 31).

IR · ATS.OR.305 — Regulation (EU) 2017/373 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

AMC Acceptable means of compliance

## AMC1 ATS.OR.305(a) Responsibilities of air traffic control service providers with regard to the problematic use of psychoactive substances by air traffic controllers

POLICY AND PROCEDURES

Within the context of the policy, the air traffic control service provider should:

(a) provide training or educational material to air traffic controllers relating to:

(1) the effects of psychoactive substances on individuals and subsequently on air traffic control service provision;

(2) established procedures within its organisation regarding this issue; and

(3) their individual responsibilities with regard to legislation and policies on psychoactive substances.

(b) make available appropriate support for air traffic controllers who are dependent on psychoactive substances;

(c) encourage air traffic controllers who think that they may have such a problem to seek and accept help made available by their air traffic control service provider;

(d) ensure that air traffic controllers are treated in a consistent, just and equitable manner as regards the problematic use of psychoactive substances; and

(e) establish and implement principles and procedures for occurrence investigation and analysis to consider the problematic use of psychoactive substances as a contributing factor.

AMC · AMC1 ATS.OR.305(a) — Regulation (EU) 2017/373 · ED Decision 2017/001/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

GM Guidance material

## GM1 ATS.OR.305(a) Responsibilities of air traffic control service providers with regard to the problematic use of psychoactive substances by air traffic controllers

POLICY

(a) Guidance for the development and implementation of the policy is contained in ICAO Doc 9654 ‘Manual on Prevention of Problematic Use of Substances in the Aviation Workplace’, First Edition - 1995, and in particular:

(1) Attachment A (pp. 27–34) as regards elements for the definition and the implementation of policy and programme;

(2) Chapter 3 (pp. 9–12) as regards the identification, treatment, and rehabilitation of staff, with related supporting material, available in Attachment C (pp. 61–68); and

(3) Attachment D (pp. 69–75) as regards the employment consequences of problematic use of substances.

TRAINING AND EDUCATION PROGRAMMES

(b) Guidance for the development and implementation of training and education programmes is contained in ICAO Doc 9654 ‘Manual on Prevention of Problematic Use of Substances in the Aviation Workplace’, First Edition - 1995, in particular:

(1) Chapter 2 (pp. 6–7) as regards the education of the workforce and educational material, with related supporting material available in Attachment A (pp. 35–48); and

(2) Attachment B (pp. 49–59) and Attachment F (pp. 87–94), where extracts from the ICAO Manual of Civil Aviation Medicine are provided

GM · GM1 ATS.OR.305(a) — Regulation (EU) 2017/373 · ED Decision 2017/001/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

GM Guidance material

## GM2 ATS.OR.305(a) Responsibilities of air traffic control service providers with regard to the problematic use of psychoactive substances by air traffic controllers

THIRD PARTY ASSISTANCE TO AIR TRAFFIC CONTROLLERS

The air traffic control service provider may employ third-party assistance. Such assistance should be made freely available to air traffic controllers who are dependent on psychoactive substances.

GM · GM2 ATS.OR.305(a) — Regulation (EU) 2017/373 · ED Decision 2017/001/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

AMC Acceptable means of compliance

## AMC1 ATS.OR.305(b) Responsibilities of air traffic control service providers with regard to the problematic use of psychoactive substances by air traffic controllers

PROCEDURE FOR THE DETECTION OF CASES OF PROBLEMATIC USE OF PSYCHOACTIVE SUBSTANCES The objective, transparent and non-discriminatory procedure should specify:

(a) the mechanisms and responsibilities for its initiation;

(b) its applicability in terms of timing and locations;

(c) the person(s)/body responsible for testing the individual;

(d) the testing process;

(e) thresholds for psychoactive substances;

(f) the process to be followed in case of detection of problematic use of psychoactive substances by an air traffic controller; and

(g) the appeal process.

AMC · AMC1 ATS.OR.305(b) — Regulation (EU) 2017/373 · ED Decision 2017/001/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

GM Guidance material

## GM1 ATS.OR.305(b) Responsibilities of air traffic control service providers with regard to the problematic use of psychoactive substances by air traffic controllers

PROCEDURE FOR THE DETECTION OF CASES OF PROBLEMATIC USE OF PSYCHOACTIVE SUBSTANCES Guidance for the development and implementation of the procedure for detection of cases of psychoactive substances is contained in ICAO Doc 9654 ‘Manual on Prevention of problematic use of Substances in the Aviation Workplace’, First Edition - 1995, particularly in Chapter 5 (pp. 15–23) and Attachment E (pp. 77–85) as regards biochemical testing programmes, with related supporting material.

GM · GM1 ATS.OR.305(b) — Regulation (EU) 2017/373 · ED Decision 2017/001/R · 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 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.
