**GAO-05-726**                      Published: Sep 28, 2005. Publicly Released: Oct 26, 2005.                  

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## Highlights

The Federal Aviation Administration (FAA) uses the Air Transportation Oversight System (ATOS), which was developed around the principles of system safety, to oversee seven "legacy airlines" and nine other airlines. In this report, we refer to airlines that are not in ATOS as non-legacy airlines. Two other processes are used to oversee 99 non-legacy passenger airlines, which represent a fast-growing segment of the commercial aviation passenger industry and carried about 200 million passengers in 2004. The National Work Program Guidelines (NPG) establishes a set of inspection activities for non-legacy airlines. The Surveillance and Evaluation Program (SEP) uses principles of system safety to identify additional risk-based inspections for those airlines. GAO's objective was to assess the processes used by FAA to ensure the safety of non-legacy passenger airlines. GAO reviewed the strengths of FAA's inspection oversight for non-legacy passenger airlines and the issues that hinder its effectiveness.

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## Topics

Transportation

AirlinesInspectionProgram evaluationSafety regulationSafety standardsTransportation safetySafetyAviationAircraftAviation safety