CFR > Title 14 - Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER C—AIRCRAFT (parts 21 to 50) > PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS > SUBPART A—General (§21.1 to §21.9) > 21.8—Approval of articles.

21.8—Approval of articles.

If an article is required to be approved under this chapter, it may be approved—
(a) Under a PMA;
(b) Under a TSO;
(c) In conjunction with type certification procedures for a product; or
(d) In any other manner approved by the FAA.

Code of Federal Regulations

[Doc. No. FAA-2006-25877, 74 FR 53385, Oct. 16, 2009; 75 FR 9095, Mar. 1, 2010]

Code of Federal Regulations

Effective Date Note: By Doc. No. FAA-2006-25877, 74 FR 53385, Oct. 16, 2009, § 21.8 was added, effective Apr. 14, 2010. This effective date was postponed to Apr. 16, 2011 at 75 FR 9095, Mar. 1, 2010.