GroundRules
14 CFR 21.217: Duration.
Where this section sits in the code
- Title 14—Aeronautics and Space
- CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
- SUBCHAPTER C—AIRCRAFT
- PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND ARTICLES
- Subpart I—Provisional Airworthiness Certificates
Unless sooner surrendered, superseded, revoked, or otherwise terminated, provisional airworthiness certificates are effective for the duration of the corresponding provisional type certificate, amendment to a provisional type certificate, or provisional amendment to the type certificate.
Collected 2026-08-27T02:24:20Z. Source file · JSON