ED Decision 2023/013/R
AIRWORTHINESS FUNCTION
The following tasks are normally performed by the airworthiness function:
(a) Liaison between the design organisation and EASA with respect to all aspects of the design certification application.
(b) Preparation of the compliance-demonstration plan and obtaining its approval by EASA.
(c) Coordination internally, in the design organisation, of all compliance-demonstration activities according to the compliance-demonstration plan.
(d) Regular reporting to EASA about the progress of compliance-demonstration activities and coordination of EASA investigations. These include the necessary arrangements for the physical inspection and assessment of the aircraft and the critical design review, in accordance with point 21L.A.241(c)(2), and the first-article inspection, in accordance with point 21L.B.46.
(e) Establishing the compliance checklist and updating it with any changes, as necessary.
(f) Checking that all the compliance documents that are necessary to demonstrate compliance with the applicable type-certification basis and the applicable environmental protection requirements, as well as for completeness, are prepared and signing the documents for release.
(g) Providing verification to the head of the design organisation that all the activities required for a type investigation have been properly completed.
(h) Endorsing the classification of changes and repairs in accordance with point 21L.A.63 and 21L.A.203 respectively.
(i) Ensuring the initiation of activities as a response to an occurrence report and providing information to EASA if the airworthiness is impaired.
(j) Advising EASA on the issuing of airworthiness directives (ADs) in general based on service bulletins (SBs).
(k) Monitoring significant events on other aeronautical products, as far as they are relevant, to determine their effect on the airworthiness of the products designed by the design organisation.
(l) Ensuring that there is cooperation in preparing SBs and any subsequent revisions, with special attention being given to the manner in which the contents affect airworthiness and environmental protection aspects.
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