---
kind: "section"
citation: "14 C.F.R. § 21.313"
title: "14"
number: "21.313"
heading: "Duration."
url: "https://uscodex.org/cfr/14/21.313"
---

# §21.313. Duration.


A PMA is effective until surrendered, withdrawn, or the FAA otherwise terminates it.


## Notes

### Source

Source: Docket No. FAA-2006-25877, Amdt. 21-92, 74 FR 53390, Oct. 16, 2009, 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.