Skip to page content

USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

United States Department of Transportation United States Department of Transportation

AC 21-32C - Control of Prepositioned Products and Articles Shipped Prior to Design Approval

Document Information

Number
21-32C
Title
Control of Prepositioned Products and Articles Shipped Prior to Design Approval
Status
Active
Date issued
2025-09-25
Office of Primary Responsibility
AIR-600, Policy and Innovation Division
Description

This advisory circular (AC) provides the applicant with a means to control products and articles prepositioned prior to the issuance of a design approval (e.g., type certificate (TC), or supplemental type certificate (STC).
Note: The term “type certificate” or “TC,” applied within this AC means the original TC, STCs, and amended TCs and STCs, unless otherwise specified.

Content
Cancels
Cancels
Number Title Date
21-32B Control of Products and Parts Shipped Prior to Type Certificate Issuance

 

a. Provides information about Title 14, Code of Federal Regulations (14 CFR), part 21, Certification Procedures for Products, Articles, and Parts. (Articles include parts as defined in 14 CFR § 21.1(b)(2)).

 

b. Provides a means to control products and articles shipped prior to the issuance of a type certificate (TC), a supplemental type certificate (STC), or a production certificate (PC). For the purposes of this AC, the acronym TC includes STC. 

 

c. Is not mandatory and does not constitute a regulation. This AC describes an acceptable means, but not the only means, to comply with these requirements. However, if you use the means described in the AC, you must follow it in all important respects.

 2010-08-31