Federal Aviation Administration

Completing the Transition

ATOS is in use by 42 Certificate Management Teams. By the end of FY 07and ATOS Phase II, all Part 121 CMTs will be using ATOS, resulting in a single Part 121 air carrier oversight system.

ATOS is currently in use at:

  • American Airlines
  • United Airlines
  • Delta Airlines
  • US Airways
  • America West
  • Alaska Airlines
  • Continental Airlines
  • Northwest
  • Southwest
  • American Eagle
  • Skywest
  • Champion Airlines
  • ExpressJet
  • FEDEX
  • UPS
  • GoJet
  • Trans States
  • Ryan International
  • Air Midwest
  • Hawaiian Air
  • Horizon Airlines
  • AirTran
  • ASA
  • Comair
  • Champlain Enterprises DBA Commutair
  • Frontier Airlines
  • Frontier Flying Service
  • Everts Air
  • Cargo 360
  • Continental Micronesia
  • Aloha
  • Aviation Services
  • Hawaii Island Air, dba Island Air
  • Midwest Airlines
  • SkyWay
  • MESA
  • Freedom Airlines
  • Pinnacle Airlines
  • ASTAR Airlines
  • Tradewinds
  • PACE Airlines
  • Mountain Air Cargo

Page Last Modified: 03/19/13 10:45 EDT

This page can be viewed online at: http://www.faa.gov/about/initiatives/atos/library/oversight_evolution/completing/