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21.A.4 Coordination between design and production

Regulation (EU) 2024/1108

Each holder of a type-certificate, restricted type-certificate, supplemental type-certificate, ETSO authorisation, approval of a change to type-certificate or approval of a repair design, shall collaborate with the production organisation as necessary to ensure:

(a) the satisfactory coordination of design and production required by 21.A.122, 21.A.130(b)(3) andย (4), 21.A.133 and 21.A.165(c)(2) andย (3) as appropriate; and

(b) the proper support of the continued airworthiness of the product, part, appliance, UAS, CMU or CMU component.