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ML.A.901 Airworthiness review — General

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

IRImplementing rule

ML.A.901Airworthiness review — General

(a)To ensure the validity of the airworthiness certificate, an aircraft shall periodically undergo an airworthiness review in accordance with point ML.A.903.

(b)The satisfactory completion of an airworthiness review shall result in an airworthiness review certificate (ARC) issued in accordance with Appendix IV (EASA Form 15c).

(c)The airworthiness review and the issuance of the ARC shall be performed in accordance with point ML.A.903, by one of the following: (1) the competent authority; (2) an appropriately approved CAO with the privileges specified in point CAO.A.095(c)(1) of Annex Vd or an appropriately approved CAMO with the privileges specified in point CAMO.A.125(e) of Annex Vc; (3) an appropriately approved CAO with the privileges specified in point CAO.A.095(c)(2) of Annex Vd, or a Part-145 organisation with the privileges specified in point 145.A.75(f) of Annex II, while performing the 100-h/annual inspection contained in the AMP; (4) for aircraft operated under Annex VII (Part-NCO) to Regulation (EU) No 965/2012 or, in the case of balloons, not operated under Subpart-ADD of Annex II (Part-BOP) to Regulation (EU) 2018/395 or, in the case of sailplanes, not following Subpart DEC of Annex II (Part-SAO) to Implementing Regulation (EU) 2018/1976, an independent certifying staff while performing the 100-h/annual inspection contained in the AMP, when qualified in accordance with point ML.A.904(c) of this Annex.

(d)When the airworthiness review is carried out by the person or organisation specified in points (c)(2), (c)(3) or (c)(4), the ARC shall be signed by the airworthiness review staff who carried out the airworthiness review.

(e)The person or organisation responsible for the continuing airworthiness of the aircraft in accordance with point ML.A.201 shall, upon request and where necessary for those purposes, ensure that the person, organisation or the competent authority carrying out the airworthiness review: (1) has the required aircraft documentation and records; (2) has suitable accommodation at the appropriate location for its personnel; (3) has access to the aircraft; (4) has the assistance of appropriate certifying staff.

(f)By derogation from point ML.A.902(a), the airworthiness review may be carried out 90 days or less before the expiry date of the ARC, without loss of continuity of the airworthiness review pattern.

(g)The airworthiness review shall not be subcontracted.

(h)An ARC shall not be issued if there is evidence or there are indications that the aircraft is not airworthy.

(i)A copy of any ARC issued or extended for an aircraft shall be sent to the competent authority of the Member State of registry of the aircraft concerned within 10 days of the issuance or extension.

(j)Upon surrender or revocation, the ARC shall be returned to the competent authority of the Member State of registry, when so requested by the respective authority.

IR · ML.A.901 — Regulation (EU) No 1321/2014 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

GMGuidance material

GM1 ML.A.901Aircraft airworthiness review

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If a CAMO/CAO holding the AR privilege is contracted by the owner to manage the continuing airworthiness of the aircraft in accordance with point ML.A.201, this organisation does not have the obligation to carry out the AR itself. The owner may select another CAMO or CAO to carry out the AR, or request the maintenance organisation to carry it out and issue the ARC in conjunction with the annual inspection. Please refer to GM1 ML.A.201 to identify the cases where the owner may also request an independent certifying staff (authorised by the competent authority) to carry out the AR and issue the ARC in conjunction with the annual inspection. Point ML.A.901(c) gives a list of the different organisations or persons that are allowed to perform an AR; it does not presume that they have the obligation to accept a request to carry out an AR.

GM · GM1 ML.A.901 — Regulation (EU) No 1321/2014 · ED Decision 2026/005/R · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

All rules in SECTION A — TECHNICAL REQUIREMENTS

Consolidated from the EASA Easy Access Rules (revision 2 Sep 2025, extracted 17 Aug 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

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