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United States Department of Transportation United States Department of Transportation

AC 21-45 - Commercial Parts

Document Information

Number
21-45
Title
Commercial Parts
Status
Active
Date issued
2010-09-29
Office of Primary Responsibility
AIR-100
Description

This advisory circular (AC) explains how you can use the new provision in Title 14 of the Code of Federal Regulations (14 CFR) §§ 21.1(a)(3), 21.8, 21.9(a)(4), and 21.50(c) for commercial parts.

This AC is not mandatory and does not constitute a regulation. In it, we describe an acceptable means, though it is not the only means, to comply with 14 CFR §§ 21.8, 21.9(a)(4), and 21.50(c) for commercial parts. However, if you use the means described in this AC, you must follow it entirely.

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