1. Regulations
  2. title 14
  3. chapter I
  4. part 21
  5. subpart I
  6. § 21.217

View all text of Subpart I [§ 21.211 - § 21.225]

§ 21.217 - Duration.

Unless sooner surrendered, superseded, revoked, or otherwise terminated, provisional airworthiness certificates are effective for the duration of the corresponding provisional type certificate,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.

AUTHORITY: 42 U.S.C. 7572; 49 U.S.C. 106(f), 106(g), 40105, 40113, 44701-44702, 44704, 44707, 44709, 44711, 44713, 44715, 45303; Sec. 102, Pub. L. 116-260, 134 Stat. 2309.

CITE AS: 14 CFR 21.217