FAA Part 121 Certification Process 14 CFR Part 121 Air Carrier Certification Process Outline: http://www.faa.gov/about/initiatives/atos/air_carrier/ Process Frequently Asked Questions: http://www.faa.gov/about/initiatives/atos/air_carrier/cert_ques_and_ans/ Process Flow Chart: http://fsims.faa.gov/wdocs/8900.1/v10%20air%20trans%20over%20sys/chapter%2001/10_001_003.htm .