§ 21.431 - Applicability.

Related Notices

Latest version.

(a) This subpart prescribes Designated Alteration Station (DAS) authorization procedures for—

(1) Issuing supplemental type certificates;

(2) Issuing experimental certificates; and

(3) Amending standard airworthiness certificates.

(b) This subpart applies to domestic repair stations, air carriers, commercial operators of large aircraft, and manufacturers of products.

                    
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