scope:

Purpose of This Notice.

This notice contains direction and guidance for aviation safety inspectors (ASI) about the Air Transportation Oversight System version 1.2 (ATOS 1.2) as the system safety approach to Federal Aviation Administration (FAA) certification, surveillance, and certificate management. ATOS 1.2 is the FAA's business process for Title 14 of the Code of Federal Regulations (14 CFR) part 121 air carrier oversight. Exceptions to the requirements and standards described in this notice must have the specific approval of the Flight Standards Certification and Surveillance Division, AFS-900.