- Detecting and Reporting Suspected Unapproved Parts
- Date issued
- Office of Primary Responsibility
- AIR-600, Policy and Innovation Division
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). Appendix A contains FAA Form 8120-11, Suspected Unapproved Parts Report, (with instructions) which serves as a standardized means of reporting. See appendix B for definitions specific to this AC.
- AC 21-29D (PDF)
AC 21-29D with change 1 (PDF)
A SUP report can no longer be initiated by calling. It has to be done by e-mail or mailed through the postal service.