The FAA provides an overview of the product design approval process in the FAA and Industry Guide to Product Certification (CPI Guide (PDF)). The five phases of the process are:
Page Last Modified: 08/06/09 15:31 EDT
This page can be viewed online at: http://www.faa.gov/aircraft/air_cert/design_approvals/orig_des_approv_proc/oda_us/