Intended as a certification guide and checklist for obtaining a Supplemental Type Certificate (STC).

This advisory circular (AC) provides information and guidance on how to show compliance with Title 14 of the Code of Federal Regulations (14 CFR) Part 21, subpart L, Export Airworthiness Approvals.

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).

This advisory circular (AC) provides guidance to the aviation community for detecting suspected unapproved parts (SUP) and reporting them to the Federal Aviation Administration (FAA).