14 CFR Part 135 Air Carrier and Operator Certification

ANNOUNCEMENT

Beginning on September 30, 2026, the Part 135 Air Carrier/Operator Certification Application process is transitioning to Aviation Integrated Safety (AIS) Services.

Applicants can complete certain certification activities on the updated system, replacing the legacy Safety Assurance System (SAS). During this transition, some FAA resources may still reference SAS as content is updated to reflect the new process.

Visit AIS Services to submit a Part 135 application. 

This page contains general information on Title 14 of the Code of Federal Regulations (14 CFR) part 135 certificates, requirements for certification, and the certification process. This site is designed to assist an applicant in determining if their proposed operation could be conducted Part 135, in determining what type of 135 certification they wish to pursue, general requirements for certification, and the FAA certification process.

Transition to Aviation Integrated Safety (AIS) Services FAQs

Last updated: Friday, October 2, 2026