---
kind: "section"
citation: "14 C.F.R. § 21.45"
title: "14"
number: "21.45"
heading: "Privileges."
url: "https://uscodex.org/cfr/14/21.45"
---

# §21.45. Privileges.


The holder or licensee of a type certificate for a product may—

- (a) In the case of aircraft, upon compliance with [§§ 21.173 through 21.189](/cfr/14/21.173..21.189.md), obtain airworthiness certificates;
- (b) In the case of aircraft engines or propellers, obtain approval for installation on certificated aircraft;
- (c) In the case of any product, upon compliance with subpart G of this part, obtain a production certificate for the type certificated product;
- (d) **Obtain approval of replacement parts for that product.**

## Notes

### Amendments

[Doc. No. 5085, 29 FR 14564, Oct. 24, 1964, as amended by Amdt. 21-92, 74 FR 53386, Oct. 16, 2009]

### Source

Source: Docket No. 5085, 29 FR 14564, 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 14564, Oct. 24, 1964, as amended by Amdt. 21-92, 74 FR 53386, Oct. 16, 2009]