21.139—Quality control.

The applicant must show that he has established and can maintain a quality control system for any product, for which he requests a production certificate, so that each article will meet the design provisions of the pertinent type certificate.

Code of Federal Regulations

Effective Date Note: By Docket No. FAA-2006-25877, 74 FR 53387, Oct. 16, 2009, subpart G of part 21 was revised, effective Apr. 14, 2010. The effective date of this revision was subsequently postponed to Apr. 16, 2011 at 75 FR 9095, Mar. 1, 2010. For the convenience of the user, the revised text is set forth as follows: Subpart G—Production Certificates § 21.139 Location of or change to manufacturing facilities. (a) An applicant may obtain a production certificate for manufacturing facilities located outside of the United States if the FAA finds no undue burden in administering the applicable requirements of Title 49 U.S.C. and this subchapter. (b) The production certificate holder must obtain FAA approval before making any changes to the location of any of its manufacturing facilities. (c) The production certificate holder must immediately notify the FAA, in writing, of any change to the manufacturing facilities that may affect the inspection, conformity, or airworthiness of its product or article.