§21.77. Duration.
14 C.F.R. § 21.77
Unless sooner surrendered, superseded, revoked, or otherwise terminated, provisional type certificates and amendments thereto are effective for the periods specified in this section.
A Class I provisional type certificate is effective for 24 months after the date of issue.
A Class II provisional type certificate is effective for twelve months after the date of issue.
An amendment to a Class I or Class II provisional type certificate is effective for the duration of the amended certificate.
A provisional amendment to a type certificate is effective for six months after its approval or until the amendment of the type certificate is approved, whichever is first.
Notes, amendments, and revision history
Amendments
[Doc. No. 5085, 29 FR 14566, Oct. 24, 1964, as amended by Amdt. 21-7, 30 FR 14311, Nov. 16, 1965]
Source
Source: Docket No. 5085, 29 FR 14566, Oct. 24, 1964, unless otherwise noted.
Authority
Authority: 42 U.S.C. 7572; 49 U.S.C. 106(f), 40105, 40113, 44701-44702, 44704, 44707, 44709, 44711, 44713, 44715, 45303.
Amendments
[Doc. No. 5085, 29 FR 14566, Oct. 24, 1964, as amended by Amdt. 21-7, 30 FR 14311, Nov. 16, 1965]