---
kind: "section"
citation: "14 C.F.R. § 21.147"
title: "14"
number: "21.147"
heading: "Amendment of production certificates."
url: "https://uscodex.org/cfr/14/21.147"
---

# §21.147. Amendment of production certificates.

- (a) A holder of a production certificate must apply for an amendment to a production certificate in a form and manner prescribed by the FAA.
- (b) An applicant for an amendment to a production certificate to add a type certificate or model, or both, must comply with §§ [21.135(c)](/cfr/14/21.135.md?p=c), [21.137](/cfr/14/21.137.md), [21.138](/cfr/14/21.138.md), and [21.150](/cfr/14/21.150.md).
- (c) An applicant may apply to amend its production limitation record to allow the manufacture and installation of an interface component, provided—
  - (1) The applicant owns or has a license to use the design and installation data for the interface component and makes that data available to the FAA upon request;
  - (2) The applicant manufactures the interface component;
  - (3) The applicant's product conforms to its approved type design and the interface component conforms to its approved type design;
  - (4) The assembled product with the installed interface component is in a condition for safe operation; and
  - (5) **The applicant complies with any other conditions and limitations the FAA considers necessary.**

## Notes

### Amendments

[Doc. No. FAA-2013-0933, Amdt. 21-98, 80 FR 59031, Oct. 1, 2015, as amended by Amdt. 21-98A, 80 FR 59031, Dec. 17, 2015; Amdt. 21-108, 89 FR 33108, Apr. 26, 2024]

### Source

Source: Docket No. FAA-2006-25877, Amdt. 21-92, 74 FR 53387, 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.

### Amendments

[Doc. No. FAA-2013-0933, Amdt. 21-98, 80 FR 59031, Oct. 1, 2015, as amended by Amdt. 21-98A, 80 FR 59031, Dec. 17, 2015; Amdt. 21-108, 89 FR 33108, Apr. 26, 2024]