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Frequently asked questions

A. Will the ARC of a Part ML aircraft issued by a 15c form remain valid if that aircraft becomes Part M by being listed on an operating AOC certificate under Regulation (EC) 1008/2008?    B. And conversely, if an aircraft has an ARC issued on a Form 15a/15b (Part M), it meets the conditions of Article 3(2)(a), (b) or (c) of Regulation (EU) 1321/1014 and will cease to be listed on an operating AOC certificate under Regulation (EC) 1008/2008 and become a Part-ML, is its ARC still valid?

A. No, the ARC will cease to be valid. An airworthiness review should be carried out and a new ARC 15a or 15b format issued. See Article 3(3)(c) of Regulation (EU) 1321/2014.

B. Yes, the ARC issued in a 15a/15b format shall remain valid until the end of its validity period and shall not be issued as a new 15c format. 

At the time of the extension of ARC following the transfer from Part M to Part ML, this must be made on a 15c form due to the ML.A.901(c) declaration of compliance. A 15c format must be generated and the data transferred from the original 15a/15b format.

Since the SIPA system does not allow this action to be carried out at the time of the extension, the 15c format must be issued outside it, with a valid electronic signature, and send its copy to the competent authority within 10 days, according to ML.A.903(f).