---
kind: "section"
citation: "14 C.F.R. § 21.182"
title: "14"
number: "21.182"
heading: "Aircraft identification."
url: "https://uscodex.org/cfr/14/21.182"
---

# §21.182. Aircraft identification.

- (a) Except as provided in [paragraph (b)](#b) of this section, each applicant for an airworthiness certificate under this subpart must show that his aircraft is identified as prescribed in [§ 45.11](/cfr/14/45.11.md) of this chapter.
- (b) **Paragraph (a) of this section does not apply to applicants for the following—**
  - (1) **A special flight permit.**
  - (2) An experimental airworthiness certificate issued for the purposes of research and development, showing compliance with regulations, crew training, exhibition, air racing, market surveys, or operating former military aircraft.
  - (3) A change from one airworthiness classification to another, for an aircraft already identified as prescribed in [§ 45.11](/cfr/14/45.11.md).

## Notes

### Amendments

[Amdt. 21-13, 32 FR 188, Jan. 10, 1967, as amended by Amdt. 21-51, 45 FR 60170, Sept. 11, 1980; Amdt. 21-70, 57 FR 41368, Sept. 9, 1992; Amdt. 21-85, 69 FR 44862, July 27, 2004; Amdt. No. 21-109, 90 FR 35206, July 24, 2025]

### Source

Source: Docket No. 5085, 29 FR 14569, 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

[Amdt. 21-13, 32 FR 188, Jan. 10, 1967, as amended by Amdt. 21-51, 45 FR 60170, Sept. 11, 1980; Amdt. 21-70, 57 FR 41368, Sept. 9, 1992; Amdt. 21-85, 69 FR 44862, July 27, 2004; Amdt. No. 21-109, 90 FR 35206, July 24, 2025]