---
title: "Article 20 Essential requirements — Basic Regulation · Avioverse"
description: "Pilots and cabin crew involved in the operation of aircraft referred to in point (b) of Article 2(1), other than unmanned aircraft, as well as flight…"
url: "https://avioverse.aero/regulations/easa/basic-regulation/chapter-iii-substantive-requirements/article-20"
---

# Article 20 Essential requirements

Basic Regulation · Regulation (EU) 2018/1139 · EAR revision 16 Jan 2023

IR Implementing rule

## Article 20 Essential requirements

Pilots and cabin crew involved in the operation of [aircraft](https://avioverse.aero/glossary/easa/aircraft) referred to in point (b) of Article 2(1), other than [unmanned aircraft](https://avioverse.aero/glossary/easa/unmanned-aircraft), as well as flight simulation training devices, persons and organisations involved in the training, testing, checking or medical assessment of those pilots and cabin crew, shall comply with the essential requirements set out in Annex IV.

IR · Article 20 — Regulation (EU) 2018/1139 · Basic Regulation Easy Access Rules · EAR revision 16 Jan 2023

[All rules in CHAPTER III – SUBSTANTIVE REQUIREMENTS](https://avioverse.aero/regulations/easa/basic-regulation/chapter-iii-substantive-requirements)

Consolidated from the EASA Easy Access Rules (revision 16 Jan 2023, 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.