---
title: "ATCO.D.090 Training of practical instructors — ANNEX I – PART ATCO – REQUIREMENTS FOR THE LICENSING OF AIR TRAFFIC CONTROLLERS, ATCO · Avioverse"
description: "Training of practical instructors shall be developed and provided by training organisations and shall consist of:"
url: "https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-d/atco-d-090"
---

# ATCO.D.090 Training of practical instructors

ANNEX I – PART ATCO – REQUIREMENTS FOR THE LICENSING OF AIR TRAFFIC CONTROLLERS · Regulation (EU) 2015/340 · EAR revision 14 Jun 2024

IR Implementing rule

## ATCO.D.090 Training of practical instructors

(a) Training of practical instructors shall be developed and provided by training organisations and shall consist of:

(1) a practical instructional techniques course for OJTI and/or STDI, including an [assessment](https://avioverse.aero/glossary/easa/assessment);

(2) a refresher [training course](https://avioverse.aero/glossary/easa/training-course) on practical instructional skills;

(3) a method(s) for assessing the competence of practical instructors.

(b) The training courses and assessment methods referred to in point (a) shall be approved by the competent authority.

IR · ATCO.D.090 — Regulation (EU) 2015/340 · ATCO Easy Access Rules · EAR revision 14 Jun 2024

AMC Acceptable means of compliance

## AMC1 ATCO.D.090(a)(1) Training of practical instructors

SYNTHETIC TRAINING DEVICES USED FOR OJTI TRAINING

For the training of on-the-job training instructors, a part-task trainer or a [simulator](https://avioverse.aero/glossary/easa/simulator) should be used.

If the synthetic training environment does not correspond to the [rating](https://avioverse.aero/glossary/easa/rating) of the intended instructional environment, the applicant should practise the instructional skills in those procedures in which it is intended to provide instruction for at least one day before being assessed.

AMC · AMC1 ATCO.D.090(a)(1) — Regulation (EU) 2015/340 · ED Decision 2015/010/R · ATCO Easy Access Rules · EAR revision 14 Jun 2024

AMC Acceptable means of compliance

## AMC2 ATCO.D.090(a)(1) Training of practical instructors

[ASSESSMENT](https://avioverse.aero/glossary/easa/assessment) OF INSTRUCTIONAL TECHNIQUES FOR PRACTICAL INSTRUCTORS

A successful assessment of instructional techniques for practical instructors should establish competence at least in the following areas:

(a) regulatory impact on air traffic controller training;

(b) human factors impact on air traffic controller training;

(c) determination of the background and experience of the person undertaking training;

(d) determination of the current level of ability of the person undertaking training;

(e) conduct of a pre-session briefing;

(f) planning and conduct of the training session;

(g) demonstration and explanation of the tasks;

(h) monitoring of the training session;

(i) management of interventions correctly, including error correction;

(j) evaluation of the performance of the person undertaking training;

(k) debrief of the person undertaking training;

(l) furnishing of written reports on the performance of the person undertaking training;

(m) taking appropriate follow-up action towards resolving training problems;

(n) techniques of pausing clocks; and

(o) knowledge of technical facilities/environment.

AMC · AMC2 ATCO.D.090(a)(1) — Regulation (EU) 2015/340 · ED Decision 2015/010/R · ATCO Easy Access Rules · EAR revision 14 Jun 2024

AMC Acceptable means of compliance

## AMC1 ATCO.D.090(a)(2) Training of practical instructors

REFRESHER TRAINING IN PRACTICAL INSTRUCTIONAL SKILLS

Refresher training in practical instructional skills should prevent knowledge and skills erosion, and, for the training of STDIs, it should be designed to maintain awareness of the current operational practices.

AMC · AMC1 ATCO.D.090(a)(2) — Regulation (EU) 2015/340 · ED Decision 2015/010/R · ATCO Easy Access Rules · EAR revision 14 Jun 2024

AMC Acceptable means of compliance

## AMC1 ATCO.D.090(a)(3) Training of practical instructors

PRACTICAL INSTRUCTOR COMPETENCE [ASSESSMENT](https://avioverse.aero/glossary/easa/assessment)

The practical instructor competence assessment for an OJTI may be undertaken either in live operations or on a [synthetic training device](https://avioverse.aero/glossary/easa/synthetic-training-device).

The practical instructor competence assessment for an STDI should be undertaken on a synthetic training device.

AMC · AMC1 ATCO.D.090(a)(3) — Regulation (EU) 2015/340 · ED Decision 2015/010/R · ATCO Easy Access Rules · EAR revision 14 Jun 2024

GM Guidance material

## GM1 ATCO.D.090 Training of practical instructors

PRACTICAL INSTRUCTIONAL TECHNIQUES COURSE FOR OJTIS

Further information regarding the practical instructional techniques course for OJTIs can be found in EUROCONTROL’s document ‘Guidelines for ATCO Development Training — OJTI Course Syllabus’, Edition 2.0, dated 27.08.2009.

GM · GM1 ATCO.D.090 — Regulation (EU) 2015/340 · ED Decision 2015/010/R · ATCO Easy Access Rules · EAR revision 14 Jun 2024

[All rules in SUBPART D – AIR TRAFFIC CONTROLLER TRAINING](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-d)

Consolidated from the EASA Easy Access Rules (revision 14 Jun 2024, 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.