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Advisory circular

This advisory circular (AC) provides information about the requirements of T itle 14, Code of Federal Regulations (14 CFR) part 2 1, Certification Procedures for Products, Articles, and Parts for quality systems for the manufacture of composite structures. These structures involve fiber-reinforced materials; for example, carbon (graphite) , boron, aramid (Kevlar) and glass reinforced polymeric materials,. Invite you to consult the documentation | U.S.Department ofTransportation Federal Aviation Administration Subject: Quality System for the Manufacture of Composite Structures Advisory Circular Date: 07/23/2010 Initiated by: AIR-200 AC No: 21-26A 1. Purpose. This advisory circular (AC) provides information about the requirements of T itle 14, Code of Federal Regulations (14 CFR) part 2 1, Certification Procedures for Products, Articles, and Parts for quality systems for the manufacture of composite structures. These structures involve fiber-reinforced materials; for example, carbon (graphite), boron, aramid (Kevlar) and glass reinforced polymeric materials. This AC also provides information about essential features of quality systems for composites as mentioned in AC 20-107. Composite Aircraft Structure. This AC provides information for both an appl icant for, and a holder of, a production approval, and refers to both as a production approval holder (P AH). This AC is not mandatory and does not constitute a regulation. This AC describes an acceptable means. but not the only means, to comply with these requirements. However, if you use the means described in the AC, you must follow it in all-important respects. 2. Audience. This AC affects all manufacturers or approval holders producing under part 21, subparts F, G, K, and 0. 3. Effective Date. This AC is effective April 16, 2011. 4. Explanation of C hanges. This revision ­ a. Updates all references to 14 CFR part 21. dated October 16, 2009. b . Updates formatting to match the current AC formatting policy. 5. Cancellation. This AC cancels. as of its effective date, AC 21-26. Quality Control for the Manufacture of Composite Structures. dated June 26, 1989. 6. Related Publications. a. AC 20-1 07, Composite Aircraft Structure. b. AC 21-3 1, Quality Control for the Manufacture of Non-Metallic Compartment Interior Components. c. 1\C 21-43, Production Under 14 CFR part 21 , subparts F, G, K, and 0. 07/23/2010 AC 21-26A d. AC 23-20. Acceptance Guidance on Material