Code of Federal Regulations · Section
§ 21.51 — Duration
14 C.F.R. § 21.51
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A type certificate is effective until surrendered, suspended, revoked, or a termination date is otherwise established by the FAA.
Authorizing Statute
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Enforcement of standards42 U.S.C. § 7572
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Federal Aviation Administration49 U.S.C. § 106