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Advisory Circulars (ACs)

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Advisory Circulars (ACs) search results
Number Title Status Office Date
21.101-1B Establishing the Certification Basis of Changed Aeronautical Products

This advisory circular (AC) provides guidance for the application ofthe "Changed Product Rule (CPR)," pursuant to Title 14 ofthe Code ofFederal Regulations (14 CFR) 21.101, Designation ofapplicable regulations, and 21.19, Changes requiring a new type certificate, for changes made to type certificated aeronautical products.

 Active AIR-100 2016-03-11