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The Normal Operations Safety Survey (NOSS): Measuring System Performance in Air Traffic Control

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1 Author(s)
Chris Henry ; Univ. of Texas at Austin, Austin, TX

This paper discusses a field observation tool called the normal operations safety survey (NOSS). The air traffic control (ATC) system, through its equipment, procedures, and training, is designed to function in a particular manner. A system as complex and dynamic as ATC, however, does not always behave as designed. NOSS aims to provide a diagnostic of how the system actually behaves as opposed to how it was designed to behave. This is accomplished by using the threat and error management (TEM) framework to create a profile of the operating environment and how controllers discharge their duties within that environment. This paper discusses the development of NOSS, its contributions to a safety management system, and highlights some of the safety issues NOSS has identified in field trials.

Published in:

System Safety, 2007 2nd Institution of Engineering and Technology International Conference on

Date of Conference:

22-24 Oct. 2007