PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS
- SUBPART A—General (§21.1 to §21.9)
- SUBPART B—Type Certificates (§21.11 to §21.55)
- SUBPART C—Provisional Type Certificates (§21.71 to §21.85)
- SUBPART D—Changes to Type Certificates (§21.91 to §21.101)
- SUBPART E—Supplemental Type Certificates (§21.111 to §21.120)
- SUBPART F—Production Under Type Certificate Only (§21.121 to §21.130)
- SUBPART G—Production Certificates (§21.131 to §21.150)
- SUBPART H—Airworthiness Certificates (§21.171 to §21.199)
- SUBPART I—Provisional Airworthiness Certificates (§21.211 to §21.225)
- SUBPART J—Delegation Option Authorization Procedures (§21.231 to §21.293)
- SUBPART K—Approval of Materials, Parts, Processes, and Appliances (§21.301 to §21.320)
- SUBPART L—Export Airworthiness Approvals (§21.321 to §21.335)
- SUBPART M—Designated Alteration Station Authorization Procedures (§21.431 to §21.493)
- SUBPART N—Acceptance of Aircraft Engines, Propellers, and Articles for Import (§21.500 to §21.502)
- SUBPART O—Technical Standard Order Authorizations (§21.601 to §21.620)