---
title: "ML.1 — Part-ML · Avioverse"
description: "In accordance with Article 3(2), this Annex (Part-ML) applies to the following other than complex motor-powered aircraft not listed in the air operator…"
url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-ml/general/ml-1"
---

# ML.1

Annex Vb (Part-ML) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025

IR Implementing rule

## ML.1

(a) In accordance with Article 3(2), this Annex (Part-ML) applies to the following other than [complex motor-powered aircraft](https://avioverse.aero/glossary/easa/complex-motor-powered-aircraft) not listed in the air operator certificate of an air carrier licensed in accordance with Regulation (EC) No 1008/2008:

(1) aeroplanes of 2 730 kg maximum take-off mass (MTOM) or less;

(2) helicopters of 1 200 kg MTOM or less, certified for a maximum of up to four occupants;

(3) other [ELA2 aircraft](https://avioverse.aero/glossary/easa/ela2-aircraft);

(4) [non-conventional aircraft](https://avioverse.aero/glossary/easa/non-conventional-aircraft) with a MTOM of:

(i) 1 200 kg or less if they can maintain zero horizontal speed in flight; or

(ii) 2 730 kg or less for other than those in point (i).

(b) For the purpose of this Annex, the competent authority shall be the authority designated by the Member State of registry of the [aircraft](https://avioverse.aero/glossary/easa/aircraft).

(c) For the purpose of this Annex, the following definitions shall apply:

(1) 'independent [certifying staff](https://avioverse.aero/glossary/easa/certifying-staff)' means certifying staff who does not work on behalf of an approved [maintenance](https://avioverse.aero/glossary/easa/maintenance) [organisation](https://avioverse.aero/glossary/easa/organisation) and who complies with, alternatively:

(i) the requirements of Annex III (Part-66);

(ii) for aircraft to which Annex III (Part-66) does not apply, the certifying staff requirements in force in the Member State of registry of the aircraft;

(2) 'maintenance organisation' means an organisation holding an approval issued in accordance with, alternatively :

(i) Subpart F of Annex I (Part-M);

(ii) Section A of Annex II (Part-145);

(iii) Section A of Annex Vd (Part-CAO).

(3) 'owner' means the person responsible for the [continuing airworthiness](https://avioverse.aero/glossary/easa/continuing-airworthiness) of the aircraft, including, alternatively:

(i) the registered owner of the aircraft;

(ii) the lessee in the case of a leasing contract;

(iii) the operator.

IR · ML.1 — Regulation (EU) No 1321/2014 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

[All rules in GENERAL](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-ml/general)

Consolidated from the EASA Easy Access Rules (revision 2 Sep 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.